diff --git a/boot.php b/boot.php
index 148ca5e6e2..fa26028113 100644
--- a/boot.php
+++ b/boot.php
@@ -27,8 +27,7 @@ use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
-use Friendica\Util\Lock;
+use Friendica\Model\Contact;
 
 require_once 'include/network.php';
 require_once 'include/plugin.php';
diff --git a/include/acl_selectors.php b/include/acl_selectors.php
index f971d462b2..d1b791136f 100644
--- a/include/acl_selectors.php
+++ b/include/acl_selectors.php
@@ -6,8 +6,8 @@ use Friendica\App;
 use Friendica\Content\Feature;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
+use Friendica\Model\GContact;
 
 require_once "include/contact_selectors.php";
 require_once "include/contact_widgets.php";
@@ -774,7 +774,7 @@ function navbar_complete(App $a) {
 	}
 
 	if ($localsearch) {
-		$x = GlobalContact::searchByName($search, $mode);
+		$x = GContact::searchByName($search, $mode);
 		return $x;
 	}
 
diff --git a/include/api.php b/include/api.php
index b5799d4786..e5963fb8fa 100644
--- a/include/api.php
+++ b/include/api.php
@@ -12,6 +12,8 @@ use Friendica\Core\Config;
 use Friendica\Core\NotificationsManager;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
+use Friendica\Model\Contact;
+use Friendica\Model\Photo;
 use Friendica\Model\User;
 use Friendica\Network\FKOAuth1;
 use Friendica\Network\HTTPException;
@@ -23,8 +25,7 @@ use Friendica\Network\HTTPException\NotFoundException;
 use Friendica\Network\HTTPException\NotImplementedException;
 use Friendica\Network\HTTPException\UnauthorizedException;
 use Friendica\Network\HTTPException\TooManyRequestsException;
-use Friendica\Object\Contact;
-use Friendica\Object\Photo;
+use Friendica\Object\Image;
 use Friendica\Protocol\Diaspora;
 use Friendica\Util\XML;
 
@@ -1192,7 +1193,7 @@ function api_statuses_update($type)
 			api_user()
 		);
 		if (DBM::is_result($r)) {
-			$phototypes = Photo::supportedTypes();
+			$phototypes = Image::supportedTypes();
 			$ext = $phototypes[$r[0]['type']];
 			$_REQUEST['body'] .= "\n\n" . '[url=' . System::baseUrl() . '/photos/' . $r[0]['nickname'] . '/image/' . $r[0]['resource-id'] . ']';
 			$_REQUEST['body'] .= '[img]' . System::baseUrl() . '/photo/' . $r[0]['resource-id'] . '-' . $r[0]['scale'] . '.' . $ext . '[/img][/url]';
@@ -2377,7 +2378,7 @@ function api_get_attachments(&$body)
 	$attachments = array();
 
 	foreach ($images[1] as $image) {
-		$imagedata = Photo::getInfoFromURL($image);
+		$imagedata = Image::getInfoFromURL($image);
 
 		if ($imagedata) {
 			$attachments[] = array("url" => $image, "mimetype" => $imagedata["mime"], "size" => $imagedata["size"]);
@@ -2509,7 +2510,7 @@ function api_get_entitities(&$text, $bbcode)
 
 		$start = iconv_strpos($text, $url, $offset, "UTF-8");
 		if (!($start === false)) {
-			$image = Photo::getInfoFromURL($url);
+			$image = Image::getInfoFromURL($url);
 			if ($image) {
 				// If image cache is activated, then use the following sizes:
 				// thumb  (150), small (340), medium (600) and large (1024)
@@ -2517,19 +2518,19 @@ function api_get_entitities(&$text, $bbcode)
 					$media_url = proxy_url($url);
 
 					$sizes = array();
-					$scale = Photo::scaleImageTo($image[0], $image[1], 150);
+					$scale = Image::getScalingDimensions($image[0], $image[1], 150);
 					$sizes["thumb"] = array("w" => $scale["width"], "h" => $scale["height"], "resize" => "fit");
 
 					if (($image[0] > 150) || ($image[1] > 150)) {
-						$scale = Photo::scaleImageTo($image[0], $image[1], 340);
+						$scale = Image::getScalingDimensions($image[0], $image[1], 340);
 						$sizes["small"] = array("w" => $scale["width"], "h" => $scale["height"], "resize" => "fit");
 					}
 
-					$scale = Photo::scaleImageTo($image[0], $image[1], 600);
+					$scale = Image::getScalingDimensions($image[0], $image[1], 600);
 					$sizes["medium"] = array("w" => $scale["width"], "h" => $scale["height"], "resize" => "fit");
 
 					if (($image[0] > 600) || ($image[1] > 600)) {
-						$scale = Photo::scaleImageTo($image[0], $image[1], 1024);
+						$scale = Image::getScalingDimensions($image[0], $image[1], 1024);
 						$sizes["large"] = array("w" => $scale["width"], "h" => $scale["height"], "resize" => "fit");
 					}
 				} else {
@@ -3946,7 +3947,7 @@ function save_media_to_database($mediatype, $media, $type, $album, $allow_cid, $
 	}
 
 	if ($filetype == "") {
-		$filetype=Photo::guessImageType($filename);
+		$filetype=Image::guessType($filename);
 	}
 	$imagedata = getimagesize($src);
 	if ($imagedata) {
@@ -3970,13 +3971,13 @@ function save_media_to_database($mediatype, $media, $type, $album, $allow_cid, $
 
 	// create Photo instance with the data of the image
 	$imagedata = @file_get_contents($src);
-	$ph = new Photo($imagedata, $filetype);
-	if (! $ph->isValid()) {
+	$Image = new Image($imagedata, $filetype);
+	if (! $Image->isValid()) {
 		throw new InternalServerErrorException("unable to process image data");
 	}
 
 	// check orientation of image
-	$ph->orient($src);
+	$Image->orient($src);
 	@unlink($src);
 
 	// check max length of images on server
@@ -3985,11 +3986,11 @@ function save_media_to_database($mediatype, $media, $type, $album, $allow_cid, $
 		$max_length = MAX_IMAGE_LENGTH;
 	}
 	if ($max_length > 0) {
-		$ph->scaleImage($max_length);
+		$Image->scaleDown($max_length);
 		logger("File upload: Scaling picture to new size " . $max_length, LOGGER_DEBUG);
 	}
-	$width = $ph->getWidth();
-	$height = $ph->getHeight();
+	$width = $Image->getWidth();
+	$height = $Image->getHeight();
 
 	// create a new resource-id if not already provided
 	$hash = ($photo_id == null) ? photo_new_resource() : $photo_id;
@@ -3998,21 +3999,21 @@ function save_media_to_database($mediatype, $media, $type, $album, $allow_cid, $
 		// upload normal image (scales 0, 1, 2)
 		logger("photo upload: starting new photo upload", LOGGER_DEBUG);
 
-		$r =$ph->store(local_user(), $visitor, $hash, $filename, $album, 0, 0, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
+		$r = Photo::store($Image, local_user(), $visitor, $hash, $filename, $album, 0, 0, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
 		if (! $r) {
 			logger("photo upload: image upload with scale 0 (original size) failed");
 		}
 		if ($width > 640 || $height > 640) {
-			$ph->scaleImage(640);
-			$r = $ph->store(local_user(), $visitor, $hash, $filename, $album, 1, 0, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
+			$Image->scaleDown(640);
+			$r = Photo::store($Image, local_user(), $visitor, $hash, $filename, $album, 1, 0, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
 			if (! $r) {
 				logger("photo upload: image upload with scale 1 (640x640) failed");
 			}
 		}
 
 		if ($width > 320 || $height > 320) {
-			$ph->scaleImage(320);
-			$r = $ph->store(local_user(), $visitor, $hash, $filename, $album, 2, 0, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
+			$Image->scaleDown(320);
+			$r = Photo::store($Image, local_user(), $visitor, $hash, $filename, $album, 2, 0, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
 			if (! $r) {
 				logger("photo upload: image upload with scale 2 (320x320) failed");
 			}
@@ -4023,29 +4024,29 @@ function save_media_to_database($mediatype, $media, $type, $album, $allow_cid, $
 		logger("photo upload: starting new profile image upload", LOGGER_DEBUG);
 
 		if ($width > 175 || $height > 175) {
-			$ph->scaleImage(175);
-			$r = $ph->store(local_user(), $visitor, $hash, $filename, $album, 4, $profile, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
+			$Image->scaleDown(175);
+			$r = Photo::store($Image, local_user(), $visitor, $hash, $filename, $album, 4, $profile, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
 			if (! $r) {
 				logger("photo upload: profile image upload with scale 4 (175x175) failed");
 			}
 		}
 
 		if ($width > 80 || $height > 80) {
-			$ph->scaleImage(80);
-			$r = $ph->store(local_user(), $visitor, $hash, $filename, $album, 5, $profile, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
+			$Image->scaleDown(80);
+			$r = Photo::store($Image, local_user(), $visitor, $hash, $filename, $album, 5, $profile, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
 			if (! $r) {
 				logger("photo upload: profile image upload with scale 5 (80x80) failed");
 			}
 		}
 
 		if ($width > 48 || $height > 48) {
-			$ph->scaleImage(48);
-			$r = $ph->store(local_user(), $visitor, $hash, $filename, $album, 6, $profile, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
+			$Image->scaleDown(48);
+			$r = Photo::store($Image, local_user(), $visitor, $hash, $filename, $album, 6, $profile, $allow_cid, $allow_gid, $deny_cid, $deny_gid, $desc);
 			if (! $r) {
 				logger("photo upload: profile image upload with scale 6 (48x48) failed");
 			}
 		}
-		$ph->__destruct();
+		$Image->__destruct();
 		logger("photo upload: new profile image upload ended", LOGGER_DEBUG);
 	}
 
diff --git a/include/bb2diaspora.php b/include/bb2diaspora.php
index 3b1540473a..e1a67d432d 100644
--- a/include/bb2diaspora.php
+++ b/include/bb2diaspora.php
@@ -2,8 +2,8 @@
 
 use Friendica\App;
 use Friendica\Core\System;
+use Friendica\Model\Contact;
 use Friendica\Network\Probe;
-use Friendica\Object\Contact;
 
 use League\HTMLToMarkdown\HtmlConverter;
 
diff --git a/include/bbcode.php b/include/bbcode.php
index 196c3ca3c1..b445fd01b0 100644
--- a/include/bbcode.php
+++ b/include/bbcode.php
@@ -5,7 +5,7 @@ use Friendica\Content\Smilies;
 use Friendica\Core\Cache;
 use Friendica\Core\System;
 use Friendica\Core\Config;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 
 require_once 'include/oembed.php';
 require_once 'include/event.php';
diff --git a/include/contact_widgets.php b/include/contact_widgets.php
index 31e57ea839..9c44f4d156 100644
--- a/include/contact_widgets.php
+++ b/include/contact_widgets.php
@@ -7,7 +7,7 @@ use Friendica\Core\System;
 use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
+use Friendica\Model\GContact;
 
 require_once 'include/contact_selectors.php';
 
@@ -250,18 +250,18 @@ function common_friends_visitor_widget($profile_uid) {
 	}
 
 	if ($cid) {
-		$t = GlobalContact::countCommonFriends($profile_uid, $cid);
+		$t = GContact::countCommonFriends($profile_uid, $cid);
 	} else {
-		$t = GlobalContact::countCommonFriendsZcid($profile_uid, $zcid);
+		$t = GContact::countCommonFriendsZcid($profile_uid, $zcid);
 	}
 	if (! $t) {
 		return;
 	}
 
 	if ($cid) {
-		$r = GlobalContact::commonFriends($profile_uid, $cid, 0, 5, true);
+		$r = GContact::commonFriends($profile_uid, $cid, 0, 5, true);
 	} else {
-		$r = GlobalContact::commonFriendsZcid($profile_uid, $zcid, 0, 5, true);
+		$r = GContact::commonFriendsZcid($profile_uid, $zcid, 0, 5, true);
 	}
 
 	return replace_macros(get_markup_template('remote_friends_common.tpl'), array(
diff --git a/include/conversation.php b/include/conversation.php
index 2543a5170e..6dd1a473ec 100644
--- a/include/conversation.php
+++ b/include/conversation.php
@@ -8,9 +8,9 @@ use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
-use Friendica\Object\Conversation;
-use Friendica\Object\Item;
+use Friendica\Model\Contact;
+use Friendica\Object\Thread;
+use Friendica\Object\Post;
 
 require_once "include/bbcode.php";
 require_once "include/acl_selectors.php";
@@ -840,7 +840,7 @@ function conversation(App $a, $items, $mode, $update, $preview = false) {
 			// Normal View
 			$page_template = get_markup_template("threaded_conversation.tpl");
 
-			$conv = new Conversation($mode, $preview);
+			$conv = new Thread($mode, $preview);
 
 			/*
 			 * get all the topmost parents
@@ -880,8 +880,8 @@ function conversation(App $a, $items, $mode, $update, $preview = false) {
 				$item['pagedrop'] = $page_dropping;
 
 				if ($item['id'] == $item['parent']) {
-					$item_object = new Item($item);
-					$conv->addThread($item_object);
+					$item_object = new Post($item);
+					$conv->addParent($item_object);
 				}
 			}
 
diff --git a/include/follow.php b/include/follow.php
index 14b9c68ed5..e08136cab1 100644
--- a/include/follow.php
+++ b/include/follow.php
@@ -7,8 +7,8 @@ use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
+use Friendica\Model\Contact;
 use Friendica\Network\Probe;
-use Friendica\Object\Contact;
 use Friendica\Protocol\Diaspora;
 use Friendica\Protocol\OStatus;
 use Friendica\Protocol\PortableContact;
diff --git a/include/identity.php b/include/identity.php
index a3a007cc18..9a0900dc1f 100644
--- a/include/identity.php
+++ b/include/identity.php
@@ -12,7 +12,7 @@ use Friendica\Core\PConfig;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 
 require_once 'include/bbcode.php';
 require_once 'mod/proxy.php';
diff --git a/include/items.php b/include/items.php
index 61a9c7a1fa..0779ed91e1 100644
--- a/include/items.php
+++ b/include/items.php
@@ -10,11 +10,11 @@ use Friendica\Core\PConfig;
 use Friendica\Core\Worker;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
+use Friendica\Model\GContact;
+use Friendica\Object\Image;
 use Friendica\Protocol\DFRN;
 use Friendica\Protocol\OStatus;
-use Friendica\Util\Lock;
 
 require_once 'include/bbcode.php';
 require_once 'include/oembed.php';
@@ -742,10 +742,10 @@ function item_store($arr, $force_parent = false, $notify = false, $dontcache = f
 		 * On comments the author is the better choice.
 		 */
 		if ($arr['parent-uri'] === $arr['uri']) {
-			$arr["gcontact-id"] = GlobalContact::getId(array("url" => $arr['owner-link'], "network" => $arr['network'],
+			$arr["gcontact-id"] = GContact::getId(array("url" => $arr['owner-link'], "network" => $arr['network'],
 								 "photo" => $arr['owner-avatar'], "name" => $arr['owner-name']));
 		} else {
-			$arr["gcontact-id"] = GlobalContact::getId(array("url" => $arr['author-link'], "network" => $arr['network'],
+			$arr["gcontact-id"] = GContact::getId(array("url" => $arr['author-link'], "network" => $arr['network'],
 								 "photo" => $arr['author-avatar'], "name" => $arr['author-name']));
 		}
 	}
@@ -1887,11 +1887,11 @@ function fix_private_photos($s, $uid, $item = null, $cid = 0) {
 							$width = intval($match[1]);
 							$height = intval($match[2]);
 
-							$ph = new Photo($data, $type);
-							if ($ph->isValid()) {
-								$ph->scaleImage(max($width, $height));
-								$data = $ph->imageString();
-								$type = $ph->getType();
+							$Image = new Image($data, $type);
+							if ($Image->isValid()) {
+								$Image->scaleDown(max($width, $height));
+								$data = $Image->asString();
+								$type = $Image->getType();
 							}
 						}
 
diff --git a/include/like.php b/include/like.php
index 1dcadde705..9a8b9b957b 100644
--- a/include/like.php
+++ b/include/like.php
@@ -4,7 +4,7 @@ use Friendica\App;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 use Friendica\Protocol\Diaspora;
 
 /**
diff --git a/include/network.php b/include/network.php
index 45f5d4e79a..16c8185e1a 100644
--- a/include/network.php
+++ b/include/network.php
@@ -6,7 +6,7 @@ use Friendica\App;
 use Friendica\Core\System;
 use Friendica\Core\Config;
 use Friendica\Network\Probe;
-use Friendica\Object\Photo;
+use Friendica\Object\Image;
 use Friendica\Util\XML;
 
 /**
@@ -710,18 +710,18 @@ function scale_external_images($srctext, $include_link = true, $scale_replace =
 			}
 
 			// guess mimetype from headers or filename
-			$type = Photo::guessImageType($mtch[1], true);
+			$type = Image::guessType($mtch[1], true);
 
 			if ($i) {
-				$ph = new Photo($i, $type);
-				if ($ph->isValid()) {
-					$orig_width = $ph->getWidth();
-					$orig_height = $ph->getHeight();
+				$Image = new Image($i, $type);
+				if ($Image->isValid()) {
+					$orig_width = $Image->getWidth();
+					$orig_height = $Image->getHeight();
 
 					if ($orig_width > 640 || $orig_height > 640) {
-						$ph->scaleImage(640);
-						$new_width = $ph->getWidth();
-						$new_height = $ph->getHeight();
+						$Image->scaleDown(640);
+						$new_width = $Image->getWidth();
+						$new_height = $Image->getHeight();
 						logger('scale_external_images: ' . $orig_width . '->' . $new_width . 'w ' . $orig_height . '->' . $new_height . 'h' . ' match: ' . $mtch[0], LOGGER_DEBUG);
 						$s = str_replace(
 							$mtch[0],
diff --git a/include/plaintext.php b/include/plaintext.php
index 221d1471b1..39dcc9ecdb 100644
--- a/include/plaintext.php
+++ b/include/plaintext.php
@@ -5,7 +5,7 @@
 use Friendica\App;
 use Friendica\ParseUrl;
 use Friendica\Core\PConfig;
-use Friendica\Object\Photo;
+use Friendica\Object\Image;
 
 require_once "include/bbcode.php";
 require_once "include/html2plain.php";
@@ -51,7 +51,7 @@ function get_old_attachment_data($body) {
 
 			if (preg_match("/\[img\]([$URLSearchString]*)\[\/img\]/ism", $attacheddata, $matches)) {
 
-				$picturedata = Photo::getInfoFromURL($matches[1]);
+				$picturedata = Image::getInfoFromURL($matches[1]);
 
 				if (($picturedata[0] >= 500) && ($picturedata[0] >= $picturedata[1]))
 					$post["image"] = $matches[1];
@@ -221,7 +221,7 @@ function get_attached_data($body, $item = array()) {
 					$post["preview"] = $pictures[0][2];
 					$post["text"] = str_replace($pictures[0][0], "", $body);
 				} else {
-					$imgdata = Photo::getInfoFromURL($pictures[0][1]);
+					$imgdata = Image::getInfoFromURL($pictures[0][1]);
 					if (substr($imgdata["mime"], 0, 6) == "image/") {
 						$post["type"] = "photo";
 						$post["image"] = $pictures[0][1];
diff --git a/include/post_update.php b/include/post_update.php
index f67c064daf..0d223709e2 100644
--- a/include/post_update.php
+++ b/include/post_update.php
@@ -5,8 +5,8 @@
 
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
+use Friendica\Model\GContact;
 
 /**
  * @brief Calls the post update functions
@@ -74,7 +74,7 @@ function post_update_1192() {
 
 	// Set the "gcontact-id" in the item table and add a new gcontact entry if needed
 	foreach ($item_arr AS $item) {
-		$gcontact_id = GlobalContact::getId(array("url" => $item['author-link'], "network" => $item['network'],
+		$gcontact_id = GContact::getId(array("url" => $item['author-link'], "network" => $item['network'],
 						"photo" => $item['author-avatar'], "name" => $item['author-name']));
 		q("UPDATE `item` SET `gcontact-id` = %d WHERE `uid` = %d AND `author-link` = '%s' AND `gcontact-id` = 0",
 			intval($gcontact_id), intval($item["uid"]), dbesc($item["author-link"]));
diff --git a/include/tags.php b/include/tags.php
index 45a17f9c96..8d8fb76559 100644
--- a/include/tags.php
+++ b/include/tags.php
@@ -6,7 +6,7 @@ use Friendica\App;
 use Friendica\Content\Feature;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 
 function create_tags_from_item($itemid) {
 	$profile_base = System::baseUrl();
@@ -157,13 +157,13 @@ function update_items() {
 /**
  * @brief Get alphabetical sorted array of used tags/terms of an user including
  * a weighting by frequency of use.
- * 
+ *
  * @param int $uid      The user ID.
  * @param int $count    Max number of displayed tags/terms.
  * @param int $owner_id The contact id of the owner of the tagged items.
  * @param string $flags Special item flags.
  * @param int $type     The tag/term type.
- * 
+ *
  * @return arr          Alphabetical sorted array of used tags of an user.
  */
 function tagadelic($uid, $count = 0, $owner_id = 0, $flags = '', $type = TERM_HASHTAG) {
@@ -197,19 +197,19 @@ function tagadelic($uid, $count = 0, $owner_id = 0, $flags = '', $type = TERM_HA
 	if(!DBM::is_result($r)) {
 		return array();
 	}
-		
+
 	return tag_calc($r);
 }
 
 /**
  * @brief Construct a tag/term cloud block for an user.
- * 
+ *
  * @param int $uid      The user ID.
  * @param int $count    Max number of displayed tags/terms.
  * @param int $owner_id The contact ID of the owner of the tagged items.
  * @param string $flags Special item flags.
  * @param int $type     The tag/term type.
- * 
+ *
  * @return string       HTML formatted output.
  */
 function wtagblock($uid, $count = 0,$owner_id = 0, $flags = '', $type = TERM_HASHTAG) {
@@ -244,7 +244,7 @@ function wtagblock($uid, $count = 0,$owner_id = 0, $flags = '', $type = TERM_HAS
 
 /**
  * @brief Calculate weighting of tags according to the frequency of use.
- * 
+ *
  * @param array $arr Array of tags/terms with tag/term name and total count of use.
  * @return array     Alphabetical sorted array of used tags/terms of an user.
  */
@@ -279,10 +279,10 @@ function tag_calc($arr) {
 
 /**
  * @brief Compare function to sort tags/terms alphabetically.
- * 
+ *
  * @param type $a
  * @param type $b
- * 
+ *
  * @return int
  */
 function tags_sort($a, $b) {
@@ -294,7 +294,7 @@ function tags_sort($a, $b) {
 
 /**
  * @brief Insert a tag cloud widget for the present profile.
- * 
+ *
  * @param int     $limit Max number of displayed tags.
  * @return string HTML formattat output.
  */
diff --git a/include/threads.php b/include/threads.php
index 00848ccc6e..494fbe1ce3 100644
--- a/include/threads.php
+++ b/include/threads.php
@@ -3,7 +3,7 @@
 use Friendica\App;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 
 function add_thread($itemid, $onlyshadow = false) {
 	$items = q("SELECT `uid`, `created`, `edited`, `commented`, `received`, `changed`, `wall`, `private`, `pubmail`,
diff --git a/include/uimport.php b/include/uimport.php
index 7effcd62dd..e3c2f4e6c1 100644
--- a/include/uimport.php
+++ b/include/uimport.php
@@ -7,7 +7,8 @@ use Friendica\Core\System;
 use Friendica\Core\PConfig;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
-use Friendica\Object\Photo;
+use Friendica\Model\Photo;
+use Friendica\Object\Image;
 
 define("IMPORT_DEBUG", False);
 
@@ -260,8 +261,9 @@ function import_account(App $a, $file) {
 		$photo['uid'] = $newuid;
 		$photo['data'] = hex2bin($photo['data']);
 
-		$p = new Photo($photo['data'], $photo['type']);
-		$r = $p->store(
+		$Image = new Image($photo['data'], $photo['type']);
+		$r = Photo::store(
+				$Image,
 				$photo['uid'], $photo['contact-id'], //0
 				$photo['resource-id'], $photo['filename'], $photo['album'], $photo['scale'], $photo['profile'], //1
 				$photo['allow_cid'], $photo['allow_gid'], $photo['deny_cid'], $photo['deny_gid']
diff --git a/mod/admin.php b/mod/admin.php
index 29e10bda83..321e7b6172 100644
--- a/mod/admin.php
+++ b/mod/admin.php
@@ -10,8 +10,8 @@ use Friendica\Core\System;
 use Friendica\Core\Config;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
+use Friendica\Model\Contact;
 use Friendica\Model\User;
-use Friendica\Object\Contact;
 
 require_once 'include/enotify.php';
 require_once 'include/text.php';
diff --git a/mod/allfriends.php b/mod/allfriends.php
index 3cfe6c0f9e..1456661253 100644
--- a/mod/allfriends.php
+++ b/mod/allfriends.php
@@ -5,8 +5,8 @@
 use Friendica\App;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
+use Friendica\Model\GContact;
 
 require_once 'include/contact_selectors.php';
 require_once 'mod/contacts.php';
@@ -41,12 +41,12 @@ function allfriends_content(App $a) {
 	$a->page['aside'] = "";
 	profile_load($a, "", 0, Contact::getDetailsByURL($c[0]["url"]));
 
-	$total = GlobalContact::countAllFriends(local_user(), $cid);
+	$total = GContact::countAllFriends(local_user(), $cid);
 
 	if(count($total))
 		$a->set_pager_total($total);
 
-	$r = GlobalContact::allFriends(local_user(), $cid, $a->pager['start'], $a->pager['itemspage']);
+	$r = GContact::allFriends(local_user(), $cid, $a->pager['start'], $a->pager['itemspage']);
 
 	if (! DBM::is_result($r)) {
 		$o .= t('No friends to display.');
diff --git a/mod/cal.php b/mod/cal.php
index 7eb31905b8..cef9857ea9 100644
--- a/mod/cal.php
+++ b/mod/cal.php
@@ -11,7 +11,7 @@ use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 
 require_once 'include/event.php';
 require_once 'include/redir.php';
diff --git a/mod/common.php b/mod/common.php
index 9933c3f51f..74b4dec7c6 100644
--- a/mod/common.php
+++ b/mod/common.php
@@ -4,8 +4,8 @@
  */
 use Friendica\App;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
+use Friendica\Model\GContact;
 
 require_once 'include/contact_selectors.php';
 require_once 'mod/contacts.php';
@@ -85,9 +85,9 @@ function common_content(App $a) {
 	}
 
 	if ($cid) {
-		$t = GlobalContact::countCommonFriends($uid, $cid);
+		$t = GContact::countCommonFriends($uid, $cid);
 	} else {
-		$t = GlobalContact::countCommonFriendsZcid($uid, $zcid);
+		$t = GContact::countCommonFriendsZcid($uid, $zcid);
 	}
 
 	if (count($t)) {
@@ -99,9 +99,9 @@ function common_content(App $a) {
 
 
 	if ($cid) {
-		$r = GlobalContact::commonFriends($uid, $cid, $a->pager['start'], $a->pager['itemspage']);
+		$r = GContact::commonFriends($uid, $cid, $a->pager['start'], $a->pager['itemspage']);
 	} else {
-		$r = GlobalContact::commonFriendsZcid($uid, $zcid, $a->pager['start'], $a->pager['itemspage']);
+		$r = GContact::commonFriendsZcid($uid, $zcid, $a->pager['start'], $a->pager['itemspage']);
 	}
 
 
diff --git a/mod/contacts.php b/mod/contacts.php
index 9feacaf5e3..71ffcc2d66 100644
--- a/mod/contacts.php
+++ b/mod/contacts.php
@@ -6,9 +6,9 @@ use Friendica\App;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
+use Friendica\Model\Contact;
+use Friendica\Model\GContact;
 use Friendica\Network\Probe;
-use Friendica\Object\Contact;
 
 require_once 'include/contact_selectors.php';
 require_once 'mod/proxy.php';
@@ -313,7 +313,7 @@ function _contact_update_profile($contact_id) {
 	Contact::updateAvatar($data['photo'], local_user(), $contact_id, true);
 
 	// Update the entry in the gcontact table
-	GlobalContact::updateFromProbe($data["url"]);
+	GContact::updateFromProbe($data["url"]);
 }
 
 function _contact_block($contact_id, $orig_record) {
@@ -887,7 +887,7 @@ function contacts_tab($a, $contact_id, $active_tab) {
 	);
 
 	// Show this tab only if there is visible friend list
-	$x = GlobalContact::countAllFriends(local_user(), $contact_id);
+	$x = GContact::countAllFriends(local_user(), $contact_id);
 	if ($x)
 		$tabs[] = array('label'=>t('Contacts'),
 				'url' => "allfriends/".$contact_id,
@@ -897,7 +897,7 @@ function contacts_tab($a, $contact_id, $active_tab) {
 				'accesskey' => 't');
 
 	// Show this tab only if there is visible common friend list
-	$common = GlobalContact::countCommonFriends(local_user(), $contact_id);
+	$common = GContact::countCommonFriends(local_user(), $contact_id);
 	if ($common)
 		$tabs[] = array('label'=>t('Common Friends'),
 				'url' => "common/loc/".local_user()."/".$contact_id,
diff --git a/mod/crepair.php b/mod/crepair.php
index 7e1921f304..32db9be92c 100644
--- a/mod/crepair.php
+++ b/mod/crepair.php
@@ -5,7 +5,7 @@
 use Friendica\App;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 
 require_once 'include/contact_selectors.php';
 require_once 'mod/contacts.php';
diff --git a/mod/dfrn_confirm.php b/mod/dfrn_confirm.php
index 18d9f25bf5..c999013eff 100644
--- a/mod/dfrn_confirm.php
+++ b/mod/dfrn_confirm.php
@@ -24,8 +24,8 @@ use Friendica\Core\PConfig;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
+use Friendica\Model\Contact;
 use Friendica\Network\Probe;
-use Friendica\Object\Contact;
 use Friendica\Protocol\Diaspora;
 
 require_once 'include/enotify.php';
diff --git a/mod/dfrn_notify.php b/mod/dfrn_notify.php
index 61be7966e0..b81f26db9d 100644
--- a/mod/dfrn_notify.php
+++ b/mod/dfrn_notify.php
@@ -9,7 +9,7 @@
 use Friendica\App;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 use Friendica\Protocol\DFRN;
 
 require_once 'include/items.php';
diff --git a/mod/dfrn_request.php b/mod/dfrn_request.php
index 67395a9fcc..bff1464ae4 100644
--- a/mod/dfrn_request.php
+++ b/mod/dfrn_request.php
@@ -15,8 +15,8 @@ use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
+use Friendica\Model\Contact;
 use Friendica\Network\Probe;
-use Friendica\Object\Contact;
 
 require_once 'include/enotify.php';
 require_once 'include/group.php';
diff --git a/mod/directory.php b/mod/directory.php
index d8ad6aeaba..f29e3eb69b 100644
--- a/mod/directory.php
+++ b/mod/directory.php
@@ -3,7 +3,7 @@
 use Friendica\App;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 
 function directory_init(App $a) {
 	$a->set_pager_itemspage(60);
diff --git a/mod/dirfind.php b/mod/dirfind.php
index 4ba122b566..bef89a4794 100644
--- a/mod/dirfind.php
+++ b/mod/dirfind.php
@@ -6,9 +6,9 @@ use Friendica\App;
 use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
-use Friendica\Model\GlobalContact;
+use Friendica\Model\Contact;
+use Friendica\Model\GContact;
 use Friendica\Network\Probe;
-use Friendica\Object\Contact;
 use Friendica\Protocol\PortableContact;
 
 require_once 'include/contact_widgets.php';
@@ -82,7 +82,7 @@ function dirfind_content(App $a, $prefix = "") {
 
 			// Add the contact to the global contacts if it isn't already in our system
 			if (($contact["cid"] == 0) && ($contact["zid"] == 0) && ($contact["gid"] == 0)) {
-				GlobalContact::update($user_data);
+				GContact::update($user_data);
 			}
 		} elseif ($local) {
 
diff --git a/mod/display.php b/mod/display.php
index e81e654acb..2d22637ece 100644
--- a/mod/display.php
+++ b/mod/display.php
@@ -4,7 +4,7 @@ use Friendica\App;
 use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 use Friendica\Protocol\DFRN;
 
 function display_init(App $a) {
diff --git a/mod/fbrowser.php b/mod/fbrowser.php
index 516be52987..3297dd918b 100644
--- a/mod/fbrowser.php
+++ b/mod/fbrowser.php
@@ -7,7 +7,7 @@
 
 use Friendica\App;
 use Friendica\Core\System;
-use Friendica\Object\Photo;
+use Friendica\Object\Image;
 
 /**
  * @param App $a
@@ -66,7 +66,7 @@ function fbrowser_content(App $a) {
 
 			function _map_files1($rr){
 				$a = get_app();
-				$types = Photo::supportedTypes();
+				$types = Image::supportedTypes();
 				$ext = $types[$rr['type']];
 				$filename_e = $rr['filename'];
 
diff --git a/mod/follow.php b/mod/follow.php
index b5e73ca9a4..f0cffff4a1 100644
--- a/mod/follow.php
+++ b/mod/follow.php
@@ -3,8 +3,8 @@
 use Friendica\App;
 use Friendica\Core\Config;
 use Friendica\Core\System;
+use Friendica\Model\Contact;
 use Friendica\Network\Probe;
-use Friendica\Object\Contact;
 
 require_once 'include/follow.php';
 require_once 'include/contact_selectors.php';
diff --git a/mod/hovercard.php b/mod/hovercard.php
index 5542fe5b98..8ad5cd0ebe 100644
--- a/mod/hovercard.php
+++ b/mod/hovercard.php
@@ -10,8 +10,8 @@
 
 use Friendica\App;
 use Friendica\Core\Config;
-use Friendica\Model\GlobalContact;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
+use Friendica\Model\GContact;
 
 function hovercard_init(App $a) {
 	// Just for testing purposes
@@ -47,7 +47,7 @@ function hovercard_content() {
 	}
 
 	// if it's the url containing https it should be converted to http
-	$nurl = normalise_link(GlobalContact::cleanContactUrl($profileurl));
+	$nurl = normalise_link(GContact::cleanContactUrl($profileurl));
 	if($nurl) {
 		// Search for contact data
 		$contact = Contact::getDetailsByURL($nurl);
diff --git a/mod/install.php b/mod/install.php
index 0da8ec040f..8df5d09352 100644
--- a/mod/install.php
+++ b/mod/install.php
@@ -5,7 +5,7 @@
 use Friendica\App;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Object\Photo;
+use Friendica\Object\Image;
 
 $install_wizard_pass = 1;
 
@@ -503,7 +503,7 @@ function check_imagik(&$checks) {
 
 	if (class_exists('Imagick')) {
 		$imagick = true;
-		$supported = Photo::supportedTypes();
+		$supported = Image::supportedTypes();
 		if (array_key_exists('image/gif', $supported)) {
 			$gif = true;
 		}
diff --git a/mod/item.php b/mod/item.php
index ffac1c8e44..c35a48b7e7 100644
--- a/mod/item.php
+++ b/mod/item.php
@@ -22,9 +22,9 @@ use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
+use Friendica\Model\Contact;
+use Friendica\Model\GContact;
 use Friendica\Network\Probe;
-use Friendica\Object\Contact;
 use Friendica\Protocol\Diaspora;
 use Friendica\Protocol\Email;
 use Friendica\Util\Emailer;
@@ -743,7 +743,7 @@ function item_post(App $a) {
 	$datarray['postopts']      = $postopts;
 	$datarray['origin']        = $origin;
 	$datarray['moderated']     = $allow_moderated;
-	$datarray['gcontact-id']   = GlobalContact::getId(array("url" => $datarray['author-link'], "network" => $datarray['network'],
+	$datarray['gcontact-id']   = GContact::getId(array("url" => $datarray['author-link'], "network" => $datarray['network'],
 							"photo" => $datarray['author-avatar'], "name" => $datarray['author-name']));
 	$datarray['object']        = $object;
 
@@ -1244,7 +1244,7 @@ function handle_tag(App $a, &$body, &$inform, &$str_tags, $profile_uid, $tag, $n
 			if (!DBM::is_result($r)) {
 				$probed = Probe::uri($name);
 				if ($result['network'] != NETWORK_PHANTOM) {
-					GlobalContact::update($probed);
+					GContact::update($probed);
 					$r = q("SELECT `url`, `name`, `nick`, `network`, `alias`, `notify` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
 						dbesc(normalise_link($probed["url"])));
 				}
diff --git a/mod/match.php b/mod/match.php
index 3a0d10c319..563ce5bedc 100644
--- a/mod/match.php
+++ b/mod/match.php
@@ -6,7 +6,7 @@ use Friendica\App;
 use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 
 require_once 'include/text.php';
 require_once 'include/contact_widgets.php';
diff --git a/mod/message.php b/mod/message.php
index cefc44356f..7bb17f3906 100644
--- a/mod/message.php
+++ b/mod/message.php
@@ -4,7 +4,7 @@ use Friendica\App;
 use Friendica\Content\Smilies;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 
 require_once 'include/acl_selectors.php';
 require_once 'include/message.php';
diff --git a/mod/network.php b/mod/network.php
index 7e61d083f6..3ac13b24e0 100644
--- a/mod/network.php
+++ b/mod/network.php
@@ -9,7 +9,7 @@ use Friendica\Core\System;
 use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 
 require_once 'include/conversation.php';
 require_once 'include/group.php';
diff --git a/mod/nogroup.php b/mod/nogroup.php
index 5fb9afc2ac..d7df8cb187 100644
--- a/mod/nogroup.php
+++ b/mod/nogroup.php
@@ -4,7 +4,7 @@
  */
 use Friendica\App;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 
 require_once 'include/contact_selectors.php';
 
diff --git a/mod/photo.php b/mod/photo.php
index 8368b99a6b..243dfda029 100644
--- a/mod/photo.php
+++ b/mod/photo.php
@@ -4,7 +4,7 @@
  */
 use Friendica\App;
 use Friendica\Database\DBM;
-use Friendica\Object\Photo;
+use Friendica\Object\Image;
 
 require_once 'include/security.php';
 
@@ -75,7 +75,7 @@ function photo_init(App $a) {
 
 		$uid = str_replace(array('.jpg', '.png', '.gif'), array('', '', ''), $person);
 
-		foreach (Photo::supportedTypes() AS $m => $e) {
+		foreach (Image::supportedTypes() AS $m => $e) {
 			$uid = str_replace('.'.$e, '', $uid);
 		}
 
@@ -100,7 +100,7 @@ function photo_init(App $a) {
 		$resolution = 0;
 		$photo = str_replace(array('.jpg', '.png', '.gif'), array('', '', ''), $photo);
 
-		foreach (Photo::supportedTypes() AS $m => $e) {
+		foreach (Image::supportedTypes() AS $m => $e) {
 			$photo = str_replace('.'.$e, '', $photo);
 		}
 
@@ -167,14 +167,14 @@ function photo_init(App $a) {
 	}
 
 	// Resize only if its not a GIF and it is supported by the library
-	if (($mimetype != "image/gif") && in_array($mimetype, Photo::supportedTypes())) {
-		$ph = new Photo($data, $mimetype);
-		if ($ph->isValid()) {
+	if (($mimetype != "image/gif") && in_array($mimetype, Image::supportedTypes())) {
+		$Image = new Image($data, $mimetype);
+		if ($Image->isValid()) {
 			if (isset($customres) && $customres > 0 && $customres < 500) {
-				$ph->scaleImageSquare($customres);
+				$Image->scaleToSquare($customres);
 			}
-			$data = $ph->imageString();
-			$mimetype = $ph->getType();
+			$data = $Image->asString();
+			$mimetype = $Image->getType();
 		}
 	}
 
diff --git a/mod/photos.php b/mod/photos.php
index 3e2c44e3cd..cc3ec71a65 100644
--- a/mod/photos.php
+++ b/mod/photos.php
@@ -8,9 +8,10 @@ use Friendica\Core\System;
 use Friendica\Core\Config;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
+use Friendica\Model\Contact;
+use Friendica\Model\Photo;
 use Friendica\Network\Probe;
-use Friendica\Object\Contact;
-use Friendica\Object\Photo;
+use Friendica\Object\Image;
 
 require_once 'include/photos.php';
 require_once 'include/items.php';
@@ -136,7 +137,7 @@ function photos_post(App $a) {
 	logger('mod_photos: REQUEST ' . print_r($_REQUEST,true), LOGGER_DATA);
 	logger('mod_photos: FILES '   . print_r($_FILES,true), LOGGER_DATA);
 
-	$phototypes = Photo::supportedTypes();
+	$phototypes = Image::supportedTypes();
 
 	$can_post  = false;
 	$visitor   = 0;
@@ -424,16 +425,16 @@ function photos_post(App $a) {
 				intval($page_owner_uid)
 			);
 			if (DBM::is_result($r)) {
-				$ph = new Photo($r[0]['data'], $r[0]['type']);
-				if ($ph->isValid()) {
+				$Image = new Image($r[0]['data'], $r[0]['type']);
+				if ($Image->isValid()) {
 					$rotate_deg = ( (intval($_POST['rotate']) == 1) ? 270 : 90 );
-					$ph->rotate($rotate_deg);
+					$Image->rotate($rotate_deg);
 
-					$width  = $ph->getWidth();
-					$height = $ph->getHeight();
+					$width  = $Image->getWidth();
+					$height = $Image->getHeight();
 
 					$x = q("UPDATE `photo` SET `data` = '%s', `height` = %d, `width` = %d WHERE `resource-id` = '%s' AND `uid` = %d AND `scale` = 0",
-						dbesc($ph->imageString()),
+						dbesc($Image->asString()),
 						intval($height),
 						intval($width),
 						dbesc($resource_id),
@@ -441,12 +442,12 @@ function photos_post(App $a) {
 					);
 
 					if ($width > 640 || $height > 640) {
-						$ph->scaleImage(640);
-						$width  = $ph->getWidth();
-						$height = $ph->getHeight();
+						$Image->scaleDown(640);
+						$width  = $Image->getWidth();
+						$height = $Image->getHeight();
 
 						$x = q("UPDATE `photo` SET `data` = '%s', `height` = %d, `width` = %d WHERE `resource-id` = '%s' AND `uid` = %d AND `scale` = 1",
-							dbesc($ph->imageString()),
+							dbesc($Image->asString()),
 							intval($height),
 							intval($width),
 							dbesc($resource_id),
@@ -455,12 +456,12 @@ function photos_post(App $a) {
 					}
 
 					if ($width > 320 || $height > 320) {
-						$ph->scaleImage(320);
-						$width  = $ph->getWidth();
-						$height = $ph->getHeight();
+						$Image->scaleDown(320);
+						$width  = $Image->getWidth();
+						$height = $Image->getHeight();
 
 						$x = q("UPDATE `photo` SET `data` = '%s', `height` = %d, `width` = %d WHERE `resource-id` = '%s' AND `uid` = %d AND `scale` = 2",
-							dbesc($ph->imageString()),
+							dbesc($Image->asString()),
 							intval($height),
 							intval($width),
 							dbesc($resource_id),
@@ -811,7 +812,7 @@ function photos_post(App $a) {
 		$type       = $_FILES['userfile']['type'];
 	}
 	if ($type == "") {
-		$type = Photo::guessImageType($filename);
+		$type = Image::guessType($filename);
 	}
 
 	logger('photos: upload: received file: ' . $filename . ' as ' . $src . ' ('. $type . ') ' . $filesize . ' bytes', LOGGER_DEBUG);
@@ -838,9 +839,9 @@ function photos_post(App $a) {
 
 	$imagedata = @file_get_contents($src);
 
-	$ph = new Photo($imagedata, $type);
+	$Image = new Image($imagedata, $type);
 
-	if (! $ph->isValid()) {
+	if (! $Image->isValid()) {
 		logger('mod/photos.php: photos_post(): unable to process image' , LOGGER_DEBUG);
 		notice( t('Unable to process image.') . EOL );
 		@unlink($src);
@@ -849,7 +850,7 @@ function photos_post(App $a) {
 		killme();
 	}
 
-	$exif = $ph->orient($src);
+	$exif = $Image->orient($src);
 	@unlink($src);
 
 	$max_length = Config::get('system', 'max_image_length');
@@ -857,17 +858,17 @@ function photos_post(App $a) {
 		$max_length = MAX_IMAGE_LENGTH;
 	}
 	if ($max_length > 0) {
-		$ph->scaleImage($max_length);
+		$Image->scaleDown($max_length);
 	}
 
-	$width  = $ph->getWidth();
-	$height = $ph->getHeight();
+	$width  = $Image->getWidth();
+	$height = $Image->getHeight();
 
 	$smallest = 0;
 
 	$photo_hash = photo_new_resource();
 
-	$r = $ph->store($page_owner_uid, $visitor, $photo_hash, $filename, $album, 0 , 0, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
+	$r = Photo::store($Image, $page_owner_uid, $visitor, $photo_hash, $filename, $album, 0 , 0, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
 
 	if (! $r) {
 		logger('mod/photos.php: photos_post(): image store failed' , LOGGER_DEBUG);
@@ -876,14 +877,14 @@ function photos_post(App $a) {
 	}
 
 	if ($width > 640 || $height > 640) {
-		$ph->scaleImage(640);
-		$ph->store($page_owner_uid, $visitor, $photo_hash, $filename, $album, 1, 0, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
+		$Image->scaleDown(640);
+		Photo::store($Image, $page_owner_uid, $visitor, $photo_hash, $filename, $album, 1, 0, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
 		$smallest = 1;
 	}
 
 	if ($width > 320 || $height > 320) {
-		$ph->scaleImage(320);
-		$ph->store($page_owner_uid, $visitor, $photo_hash, $filename, $album, 2, 0, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
+		$Image->scaleDown(320);
+		Photo::store($Image, $page_owner_uid, $visitor, $photo_hash, $filename, $album, 2, 0, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
 		$smallest = 2;
 	}
 
@@ -932,7 +933,7 @@ function photos_post(App $a) {
 	$arr['origin']        = 1;
 
 	$arr['body']          = '[url=' . System::baseUrl() . '/photos/' . $owner_record['nickname'] . '/image/' . $photo_hash . ']'
-				. '[img]' . System::baseUrl() . "/photo/{$photo_hash}-{$smallest}.".$ph->getExt() . '[/img]'
+				. '[img]' . System::baseUrl() . "/photo/{$photo_hash}-{$smallest}.".$Image->getExt() . '[/img]'
 				. '[/url]';
 
 	$item_id = item_store($arr);
@@ -980,7 +981,7 @@ function photos_content(App $a) {
 		return;
 	}
 
-	$phototypes = Photo::supportedTypes();
+	$phototypes = Image::supportedTypes();
 
 	$_SESSION['photo_return'] = $a->cmd;
 
diff --git a/mod/ping.php b/mod/ping.php
index 0f2a9584b8..883129d14f 100644
--- a/mod/ping.php
+++ b/mod/ping.php
@@ -9,7 +9,7 @@ use Friendica\Core\Cache;
 use Friendica\Core\System;
 use Friendica\Core\PConfig;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 use Friendica\Util\XML;
 
 require_once 'include/datetime.php';
diff --git a/mod/profile_photo.php b/mod/profile_photo.php
index f667359b51..e12c6e5c64 100644
--- a/mod/profile_photo.php
+++ b/mod/profile_photo.php
@@ -7,7 +7,8 @@ use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
-use Friendica\Object\Photo;
+use Friendica\Model\Photo;
+use Friendica\Object\Image;
 
 function profile_photo_init(App $a) {
 
@@ -72,27 +73,27 @@ function profile_photo_post(App $a) {
 
 			$base_image = $r[0];
 
-			$im = new Photo($base_image['data'], $base_image['type']);
-			if ($im->isValid()) {
-				$im->cropImage(175,$srcX,$srcY,$srcW,$srcH);
+			$Image = new Image($base_image['data'], $base_image['type']);
+			if ($Image->isValid()) {
+				$Image->crop(175,$srcX,$srcY,$srcW,$srcH);
 
-				$r = $im->store(local_user(), 0, $base_image['resource-id'],$base_image['filename'], t('Profile Photos'), 4, $is_default_profile);
+				$r = Photo::store($Image, local_user(), 0, $base_image['resource-id'],$base_image['filename'], t('Profile Photos'), 4, $is_default_profile);
 
 				if ($r === false) {
 					notice ( sprintf(t('Image size reduction [%s] failed.'),"175") . EOL );
 				}
 
-				$im->scaleImage(80);
+				$Image->scaleDown(80);
 
-				$r = $im->store(local_user(), 0, $base_image['resource-id'],$base_image['filename'], t('Profile Photos'), 5, $is_default_profile);
+				$r = Photo::store($Image, local_user(), 0, $base_image['resource-id'],$base_image['filename'], t('Profile Photos'), 5, $is_default_profile);
 
 				if ($r === false) {
 					notice( sprintf(t('Image size reduction [%s] failed.'),"80") . EOL );
 				}
 
-				$im->scaleImage(48);
+				$Image->scaleDown(48);
 
-				$r = $im->store(local_user(), 0, $base_image['resource-id'],$base_image['filename'], t('Profile Photos'), 6, $is_default_profile);
+				$r = Photo::store($Image, local_user(), 0, $base_image['resource-id'],$base_image['filename'], t('Profile Photos'), 6, $is_default_profile);
 
 				if ($r === false) {
 					notice( sprintf(t('Image size reduction [%s] failed.'),"48") . EOL );
@@ -107,15 +108,15 @@ function profile_photo_post(App $a) {
 					);
 
 					$r = q("UPDATE `contact` SET `photo` = '%s', `thumb` = '%s', `micro` = '%s'  WHERE `self` AND `uid` = %d",
-						dbesc(System::baseUrl() . '/photo/' . $base_image['resource-id'] . '-4.' . $im->getExt()),
-						dbesc(System::baseUrl() . '/photo/' . $base_image['resource-id'] . '-5.' . $im->getExt()),
-						dbesc(System::baseUrl() . '/photo/' . $base_image['resource-id'] . '-6.' . $im->getExt()),
+						dbesc(System::baseUrl() . '/photo/' . $base_image['resource-id'] . '-4.' . $Image->getExt()),
+						dbesc(System::baseUrl() . '/photo/' . $base_image['resource-id'] . '-5.' . $Image->getExt()),
+						dbesc(System::baseUrl() . '/photo/' . $base_image['resource-id'] . '-6.' . $Image->getExt()),
 						intval(local_user())
 					);
 				} else {
 					$r = q("update profile set photo = '%s', thumb = '%s' where id = %d and uid = %d",
-						dbesc(System::baseUrl() . '/photo/' . $base_image['resource-id'] . '-4.' . $im->getExt()),
-						dbesc(System::baseUrl() . '/photo/' . $base_image['resource-id'] . '-5.' . $im->getExt()),
+						dbesc(System::baseUrl() . '/photo/' . $base_image['resource-id'] . '-4.' . $Image->getExt()),
+						dbesc(System::baseUrl() . '/photo/' . $base_image['resource-id'] . '-5.' . $Image->getExt()),
 						intval($_REQUEST['profile']),
 						intval(local_user())
 					);
@@ -151,7 +152,7 @@ function profile_photo_post(App $a) {
 	$filesize = intval($_FILES['userfile']['size']);
 	$filetype = $_FILES['userfile']['type'];
 	if ($filetype == "") {
-		$filetype = Photo::guessImageType($filename);
+		$filetype = Image::guessType($filename);
 	}
 
 	$maximagesize = Config::get('system', 'maximagesize');
@@ -163,7 +164,7 @@ function profile_photo_post(App $a) {
 	}
 
 	$imagedata = @file_get_contents($src);
-	$ph = new Photo($imagedata, $filetype);
+	$ph = new Image($imagedata, $filetype);
 
 	if (! $ph->isValid()) {
 		notice(t('Unable to process image.') . EOL);
@@ -239,7 +240,7 @@ function profile_photo_content(App $a) {
 			goaway(System::baseUrl() . '/profiles');
 			return; // NOTREACHED
 		}
-		$ph = new Photo($r[0]['data'], $r[0]['type']);
+		$ph = new Image($r[0]['data'], $r[0]['type']);
 		profile_photo_crop_ui_head($a, $ph);
 		// go ahead as we have jus uploaded a new photo to crop
 	}
@@ -288,22 +289,22 @@ function profile_photo_content(App $a) {
 
 
 if(! function_exists('profile_photo_crop_ui_head')) {
-function profile_photo_crop_ui_head(App $a, $ph) {
+function profile_photo_crop_ui_head(App $a, Image $Image) {
 	$max_length = Config::get('system','max_image_length');
 	if (! $max_length) {
 		$max_length = MAX_IMAGE_LENGTH;
 	}
 	if ($max_length > 0) {
-		$ph->scaleImage($max_length);
+		$Image->scaleDown($max_length);
 	}
 
-	$width = $ph->getWidth();
-	$height = $ph->getHeight();
+	$width = $Image->getWidth();
+	$height = $Image->getHeight();
 
 	if ($width < 175 || $height < 175) {
-		$ph->scaleImageUp(200);
-		$width = $ph->getWidth();
-		$height = $ph->getHeight();
+		$Image->scaleUp(200);
+		$width = $Image->getWidth();
+		$height = $Image->getHeight();
 	}
 
 	$hash = photo_new_resource();
@@ -311,7 +312,7 @@ function profile_photo_crop_ui_head(App $a, $ph) {
 
 	$smallest = 0;
 
-	$r = $ph->store(local_user(), 0 , $hash, $filename, t('Profile Photos'), 0 );
+	$r = Photo::store($Image, local_user(), 0 , $hash, $filename, t('Profile Photos'), 0 );
 
 	if ($r) {
 		info( t('Image uploaded successfully.') . EOL );
@@ -320,8 +321,8 @@ function profile_photo_crop_ui_head(App $a, $ph) {
 	}
 
 	if ($width > 640 || $height > 640) {
-		$ph->scaleImage(640);
-		$r = $ph->store(local_user(), 0 , $hash, $filename, t('Profile Photos'), 1 );
+		$Image->scaleDown(640);
+		$r = Photo::store($Image, local_user(), 0 , $hash, $filename, t('Profile Photos'), 1 );
 
 		if ($r === false) {
 			notice( sprintf(t('Image size reduction [%s] failed.'),"640") . EOL );
@@ -332,7 +333,7 @@ function profile_photo_crop_ui_head(App $a, $ph) {
 
 	$a->config['imagecrop'] = $hash;
 	$a->config['imagecrop_resolution'] = $smallest;
-	$a->config['imagecrop_ext'] = $ph->getExt();
+	$a->config['imagecrop_ext'] = $Image->getExt();
 	$a->page['htmlhead'] .= replace_macros(get_markup_template("crophead.tpl"), array());
 	$a->page['end'] .= replace_macros(get_markup_template("cropend.tpl"), array());
 	return;
diff --git a/mod/profiles.php b/mod/profiles.php
index eca13bf10c..893f0d51e3 100644
--- a/mod/profiles.php
+++ b/mod/profiles.php
@@ -9,9 +9,9 @@ use Friendica\Core\PConfig;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
+use Friendica\Model\GContact;
+use Friendica\Model\Profile;
 use Friendica\Network\Probe;
-use Friendica\Object\Profile;
 
 function profiles_init(App $a) {
 
@@ -509,7 +509,7 @@ function profiles_post(App $a) {
 			Worker::add(PRIORITY_LOW, 'ProfileUpdate', local_user());
 
 			// Update the global contact for the user
-			GlobalContact::updateForUser(local_user());
+			GContact::updateForUser(local_user());
 		}
 	}
 }
diff --git a/mod/proxy.php b/mod/proxy.php
index 790309c627..e134565ce0 100644
--- a/mod/proxy.php
+++ b/mod/proxy.php
@@ -8,7 +8,8 @@ use Friendica\App;
 use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Object\Photo;
+use Friendica\Model\Photo;
+use Friendica\Object\Image;
 
 define('PROXY_DEFAULT_TIME', 86400); // 1 Day
 
@@ -130,9 +131,9 @@ function proxy_init(App $a) {
 
 			// reduce quality - if it isn't a GIF
 			if ($mime != 'image/gif') {
-				$img = new Photo($img_str, $mime);
-				if ($img->isValid()) {
-					$img_str = $img->imageString();
+				$Image = new Image($img_str, $mime);
+				if ($Image->isValid()) {
+					$img_str = $Image->asString();
 				}
 			}
 
@@ -174,10 +175,10 @@ function proxy_init(App $a) {
 			$mime = 'image/png';
 			$cachefile = ''; // Clear the cachefile so that the dummy isn't stored
 			$valid = false;
-			$img = new Photo($img_str, 'image/png');
-			if ($img->isValid()) {
-				$img->scaleImage(10);
-				$img_str = $img->imageString();
+			$Image = new Image($img_str, 'image/png');
+			if ($Image->isValid()) {
+				$Image->scaleDown(10);
+				$img_str = $Image->asString();
 			}
 		} elseif ($mime != 'image/jpeg' && !$direct_cache && $cachefile == '') {
 			$image = @imagecreatefromstring($img_str);
@@ -192,9 +193,9 @@ function proxy_init(App $a) {
 				'allow_cid' => '', 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '', 'desc' => $mime);
 			dba::insert('photo', $fields);
 		} else {
-			$img = new Photo($img_str, $mime);
-			if ($img->isValid() && !$direct_cache && ($cachefile == '')) {
-				$img->store(0, 0, $urlhash, $_REQUEST['url'], '', 100);
+			$Image = new Image($img_str, $mime);
+			if ($Image->isValid() && !$direct_cache && ($cachefile == '')) {
+				Photo::store($Image, 0, 0, $urlhash, $_REQUEST['url'], '', 100);
 			}
 		}
 	}
@@ -203,10 +204,10 @@ function proxy_init(App $a) {
 
 	// reduce quality - if it isn't a GIF
 	if ($mime != 'image/gif') {
-		$img = new Photo($img_str, $mime);
-		if ($img->isValid()) {
-			$img->scaleImage($size);
-			$img_str = $img->imageString();
+		$Image = new Image($img_str, $mime);
+		if ($Image->isValid()) {
+			$Image->scaleDown($size);
+			$img_str = $Image->asString();
 		}
 	}
 
diff --git a/mod/randprof.php b/mod/randprof.php
index 38d05c53e4..40ad09271d 100644
--- a/mod/randprof.php
+++ b/mod/randprof.php
@@ -2,10 +2,10 @@
 
 use Friendica\App;
 use Friendica\Core\System;
-use Friendica\Model\GlobalContact;
+use Friendica\Model\GContact;
 
 function randprof_init(App $a) {
-	$x = GlobalContact::getRandomUrl();
+	$x = GContact::getRandomUrl();
 
 	if ($x) {
 		goaway(zrl($x));
diff --git a/mod/settings.php b/mod/settings.php
index 778a1d8a77..5f14c82835 100644
--- a/mod/settings.php
+++ b/mod/settings.php
@@ -9,7 +9,7 @@ use Friendica\Core\Worker;
 use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
+use Friendica\Model\GContact;
 use Friendica\Model\User;
 use Friendica\Protocol\Email;
 
@@ -650,7 +650,7 @@ function settings_post(App $a) {
 	Worker::add(PRIORITY_LOW, 'ProfileUpdate', local_user());
 
 	// Update the global contact for the user
-	GlobalContact::updateForUser(local_user());
+	GContact::updateForUser(local_user());
 
 	//$_SESSION['theme'] = $theme;
 	if ($email_changed && $a->config['register_policy'] == REGISTER_VERIFY) {
diff --git a/mod/suggest.php b/mod/suggest.php
index f05c76ceda..deda2b2c6c 100644
--- a/mod/suggest.php
+++ b/mod/suggest.php
@@ -5,8 +5,8 @@
 use Friendica\App;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
+use Friendica\Model\GContact;
 
 require_once 'include/contact_widgets.php';
 
@@ -69,7 +69,7 @@ function suggest_content(App $a) {
 	$a->page['aside'] .= follow_widget();
 
 
-	$r = GlobalContact::suggestionQuery(local_user());
+	$r = GContact::suggestionQuery(local_user());
 
 	if (! DBM::is_result($r)) {
 		$o .= t('No suggestions available. If this is a new site, please try again in 24 hours.');
diff --git a/mod/unfollow.php b/mod/unfollow.php
index 3f94fb5760..907982cd8a 100644
--- a/mod/unfollow.php
+++ b/mod/unfollow.php
@@ -3,7 +3,7 @@
 use Friendica\App;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 
 require_once 'include/follow.php';
 require_once 'include/contact_selectors.php';
diff --git a/mod/videos.php b/mod/videos.php
index 412966f862..bb0e0c237f 100644
--- a/mod/videos.php
+++ b/mod/videos.php
@@ -5,7 +5,7 @@ use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 
 require_once('include/items.php');
 require_once('include/acl_selectors.php');
diff --git a/mod/viewcontacts.php b/mod/viewcontacts.php
index 30ae92f8e3..1b4ff69c00 100644
--- a/mod/viewcontacts.php
+++ b/mod/viewcontacts.php
@@ -3,7 +3,7 @@
 use Friendica\App;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 
 require_once('include/contact_selectors.php');
 
diff --git a/mod/wall_upload.php b/mod/wall_upload.php
index ce73f85151..a608743d07 100644
--- a/mod/wall_upload.php
+++ b/mod/wall_upload.php
@@ -13,7 +13,8 @@ use Friendica\App;
 use Friendica\Core\System;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
-use Friendica\Object\Photo;
+use Friendica\Model\Photo;
+use Friendica\Object\Image;
 
 function wall_upload_post(App $a, $desktopmode = true) {
 
@@ -161,8 +162,8 @@ function wall_upload_post(App $a, $desktopmode = true) {
 		$filetype = "";
 	}
 
-	if ($filetype=="") {
-		$filetype=Photo::guessImageType($filename);
+	if ($filetype == "") {
+		$filetype = Image::guessType($filename);
 	}
 
 	// If there is a temp name, then do a manual check
@@ -190,9 +191,9 @@ function wall_upload_post(App $a, $desktopmode = true) {
 	}
 
 	$imagedata = @file_get_contents($src);
-	$ph = new Photo($imagedata, $filetype);
+	$Image = new Image($imagedata, $filetype);
 
-	if (! $ph->isValid()) {
+	if (! $Image->isValid()) {
 		$msg = t('Unable to process image.');
 		if ($r_json) {
 			echo json_encode(array('error'=>$msg));
@@ -203,7 +204,7 @@ function wall_upload_post(App $a, $desktopmode = true) {
 		killme();
 	}
 
-	$ph->orient($src);
+	$Image->orient($src);
 	@unlink($src);
 
 	$max_length = Config::get('system', 'max_image_length');
@@ -211,12 +212,12 @@ function wall_upload_post(App $a, $desktopmode = true) {
 		$max_length = MAX_IMAGE_LENGTH;
 	}
 	if ($max_length > 0) {
-		$ph->scaleImage($max_length);
+		$Image->scaleDown($max_length);
 		logger("File upload: Scaling picture to new size " . $max_length, LOGGER_DEBUG);
 	}
 
-	$width = $ph->getWidth();
-	$height = $ph->getHeight();
+	$width = $Image->getWidth();
+	$height = $Image->getHeight();
 
 	$hash = photo_new_resource();
 
@@ -229,7 +230,7 @@ function wall_upload_post(App $a, $desktopmode = true) {
 
 	$defperm = '<' . $default_cid . '>';
 
-	$r = $ph->store($page_owner_uid, $visitor, $hash, $filename, $album, 0, 0, $defperm);
+	$r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 0, 0, $defperm);
 
 	if (! $r) {
 		$msg = t('Image upload failed.');
@@ -242,16 +243,16 @@ function wall_upload_post(App $a, $desktopmode = true) {
 	}
 
 	if ($width > 640 || $height > 640) {
-		$ph->scaleImage(640);
-		$r = $ph->store($page_owner_uid, $visitor, $hash, $filename, $album, 1, 0, $defperm);
+		$Image->scaleDown(640);
+		$r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 1, 0, $defperm);
 		if ($r) {
 			$smallest = 1;
 		}
 	}
 
 	if ($width > 320 || $height > 320) {
-		$ph->scaleImage(320);
-		$r = $ph->store($page_owner_uid, $visitor, $hash, $filename, $album, 2, 0, $defperm);
+		$Image->scaleDown(320);
+		$r = Photo::store($Image, $page_owner_uid, $visitor, $hash, $filename, $album, 2, 0, $defperm);
 		if ($r && ($smallest == 0)) {
 			$smallest = 2;
 		}
@@ -280,8 +281,8 @@ function wall_upload_post(App $a, $desktopmode = true) {
 		$picture["height"]    = $r[0]["height"];
 		$picture["type"]      = $r[0]["type"];
 		$picture["albumpage"] = System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash;
-		$picture["picture"]   = System::baseUrl() . "/photo/{$hash}-0." . $ph->getExt();
-		$picture["preview"]   = System::baseUrl() . "/photo/{$hash}-{$smallest}." . $ph->getExt();
+		$picture["picture"]   = System::baseUrl() . "/photo/{$hash}-0." . $Image->getExt();
+		$picture["preview"]   = System::baseUrl() . "/photo/{$hash}-{$smallest}." . $Image->getExt();
 
 		if ($r_json) {
 			echo json_encode(array('picture'=>$picture));
@@ -299,9 +300,9 @@ function wall_upload_post(App $a, $desktopmode = true) {
 /* mod Waitman Gobble NO WARRANTY */
 	// if we get the signal then return the image url info in BBCODE
 	if ($_REQUEST['hush']!='yeah') {
-		echo  "\n\n" . '[url=' . System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash . '][img]' . System::baseUrl() . "/photo/{$hash}-{$smallest}.".$ph->getExt()."[/img][/url]\n\n";
+		echo  "\n\n" . '[url=' . System::baseUrl() . '/photos/' . $page_owner_nick . '/image/' . $hash . '][img]' . System::baseUrl() . "/photo/{$hash}-{$smallest}.".$Image->getExt()."[/img][/url]\n\n";
 	} else {
-		$m = '[url='.System::baseUrl().'/photos/'.$page_owner_nick.'/image/'.$hash.'][img]'.System::baseUrl()."/photo/{$hash}-{$smallest}.".$ph->getExt()."[/img][/url]";
+		$m = '[url='.System::baseUrl().'/photos/'.$page_owner_nick.'/image/'.$hash.'][img]'.System::baseUrl()."/photo/{$hash}-{$smallest}.".$Image->getExt()."[/img][/url]";
 		return($m);
 	}
 /* mod Waitman Gobble NO WARRANTY */
diff --git a/src/Core/NotificationsManager.php b/src/Core/NotificationsManager.php
index 42d514e618..9adac10c92 100644
--- a/src/Core/NotificationsManager.php
+++ b/src/Core/NotificationsManager.php
@@ -9,7 +9,7 @@ namespace Friendica\Core;
 use Friendica\Core\Pconfig;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 
 require_once 'include/html2plain.php';
 require_once 'include/datetime.php';
diff --git a/src/Object/Contact.php b/src/Model/Contact.php
similarity index 99%
rename from src/Object/Contact.php
rename to src/Model/Contact.php
index f72ec025a4..3708603ba3 100644
--- a/src/Object/Contact.php
+++ b/src/Model/Contact.php
@@ -1,19 +1,18 @@
 <?php
 
 /**
- * @file src/Object/Contact.php
+ * @file src/Model/Contact.php
  */
 
-namespace Friendica\Object;
+namespace Friendica\Model;
 
-use Friendica\App;
 use Friendica\BaseObject;
 use Friendica\Core\PConfig;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
 use Friendica\Network\Probe;
-use Friendica\Object\Photo;
+use Friendica\Object\Image;
 use Friendica\Protocol\Diaspora;
 use Friendica\Protocol\DFRN;
 use Friendica\Protocol\OStatus;
@@ -922,7 +921,7 @@ class Contact extends BaseObject
 		}
 
 		if (($r["avatar"] != $avatar) || $force) {
-			$photos = Photo::importProfilePhoto($avatar, $uid, $cid, true);
+			$photos = Image::importProfilePhoto($avatar, $uid, $cid, true);
 
 			if ($photos) {
 				dba::update(
diff --git a/src/Model/GlobalContact.php b/src/Model/GContact.php
similarity index 99%
rename from src/Model/GlobalContact.php
rename to src/Model/GContact.php
index 6ec1101775..1b846b3171 100644
--- a/src/Model/GlobalContact.php
+++ b/src/Model/GContact.php
@@ -9,9 +9,9 @@ use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
+use Friendica\Model\Contact;
+use Friendica\Model\Profile;
 use Friendica\Network\Probe;
-use Friendica\Object\Contact;
-use Friendica\Object\Profile;
 use Friendica\Protocol\PortableContact;
 use dba;
 use Exception;
@@ -23,7 +23,7 @@ require_once 'include/html2bbcode.php';
 /**
  * @brief This class handles GlobalContact related functions
  */
-class GlobalContact
+class GContact
 {
 	/**
 	 * @brief Search global contact table by nick or name
diff --git a/src/Model/Photo.php b/src/Model/Photo.php
new file mode 100644
index 0000000000..229f221077
--- /dev/null
+++ b/src/Model/Photo.php
@@ -0,0 +1,174 @@
+<?php
+
+/**
+ * @file src/Model/Photo.php
+ * @brief This file contains the Photo class for database interface
+ */
+
+namespace Friendica\Model;
+
+use Friendica\Core\System;
+use Friendica\Database\DBM;
+use Friendica\Object\Image;
+use dba;
+
+require_once "include/photos.php";
+/**
+ * Class to handle photo dabatase table
+ */
+class Photo
+{
+	/**
+	 * @param integer $uid       uid
+	 * @param integer $cid       cid
+	 * @param integer $rid       rid
+	 * @param string  $filename  filename
+	 * @param string  $album     album name
+	 * @param integer $scale     scale
+	 * @param integer $profile   optional, default = 0
+	 * @param string  $allow_cid optional, default = ''
+	 * @param string  $allow_gid optional, default = ''
+	 * @param string  $deny_cid  optional, default = ''
+	 * @param string  $deny_gid  optional, default = ''
+	 * @param string  $desc      optional, default = ''
+	 * @return object
+	 */
+	public static function store(Image $Image, $uid, $cid, $rid, $filename, $album, $scale, $profile = 0, $allow_cid = '', $allow_gid = '', $deny_cid = '', $deny_gid = '', $desc = '')
+	{
+		$r = dba::select('photo', array('guid'), array("`resource-id` = ? AND `guid` != ?", $rid, ''), array('limit' => 1));
+		if (DBM::is_result($r)) {
+			$guid = $r['guid'];
+		} else {
+			$guid = get_guid();
+		}
+
+		$x = dba::select('photo', array('id'), array('resource-id' => $rid, 'uid' => $uid, 'contact-id' => $cid, 'scale' => $scale), array('limit' => 1));
+
+		$fields = array(
+			'uid' => $uid,
+			'contact-id' => $cid,
+			'guid' => $guid,
+			'resource-id' => $rid,
+			'created' => datetime_convert(),
+			'edited' => datetime_convert(),
+			'filename' => basename($filename),
+			'type' => $Image->getType(),
+			'album' => $album,
+			'height' => $Image->getHeight(),
+			'width' => $Image->getWidth(),
+			'datasize' => strlen($Image->asString()),
+			'data' => $Image->asString(),
+			'scale' => $scale,
+			'profile' => $profile,
+			'allow_cid' => $allow_cid,
+			'allow_gid' => $allow_gid,
+			'deny_cid' => $deny_cid,
+			'deny_gid' => $deny_gid,
+			'desc' => $desc
+		);
+
+		if (DBM::is_result($x)) {
+			$r = dba::update('photo', $fields, array('id' => $x['id']));
+		} else {
+			$r = dba::insert('photo', $fields);
+		}
+
+		return $r;
+	}
+
+	/**
+	 * @param string  $photo         photo
+	 * @param integer $uid           user id
+	 * @param integer $cid           contact id
+	 * @param boolean $quit_on_error optional, default false
+	 * @return array
+	 */
+	public static function importProfilePhoto($photo, $uid, $cid, $quit_on_error = false)
+	{
+		$r = dba::select(
+			'photo', array('resource-id'), array('uid' => $uid, 'contact-id' => $cid, 'scale' => 4, 'album' => 'Contact Photos'), array('limit' => 1)
+		);
+
+		if (DBM::is_result($r) && strlen($r['resource-id'])) {
+			$hash = $r['resource-id'];
+		} else {
+			$hash = photo_new_resource();
+		}
+
+		$photo_failure = false;
+
+		$filename = basename($photo);
+		$img_str = fetch_url($photo, true);
+
+		if ($quit_on_error && ($img_str == "")) {
+			return false;
+		}
+
+		$type = Image::guessType($photo, true);
+		$Image = new Image($img_str, $type);
+		if ($Image->isValid()) {
+			$Image->scaleToSquare(175);
+
+			$r = self::store($Image, $uid, $cid, $hash, $filename, 'Contact Photos', 4);
+
+			if ($r === false) {
+				$photo_failure = true;
+			}
+
+			$Image->scaleDown(80);
+
+			$r = self::store($Image, $uid, $cid, $hash, $filename, 'Contact Photos', 5);
+
+			if ($r === false) {
+				$photo_failure = true;
+			}
+
+			$Image->scaleDown(48);
+
+			$r = self::store($Image, $uid, $cid, $hash, $filename, 'Contact Photos', 6);
+
+			if ($r === false) {
+				$photo_failure = true;
+			}
+
+			$suffix = '?ts=' . time();
+
+			$photo = System::baseUrl() . '/photo/' . $hash . '-4.' . $Image->getExt() . $suffix;
+			$thumb = System::baseUrl() . '/photo/' . $hash . '-5.' . $Image->getExt() . $suffix;
+			$micro = System::baseUrl() . '/photo/' . $hash . '-6.' . $Image->getExt() . $suffix;
+
+			// Remove the cached photo
+			$a = get_app();
+			$basepath = $a->get_basepath();
+
+			if (is_dir($basepath . "/photo")) {
+				$filename = $basepath . '/photo/' . $hash . '-4.' . $Image->getExt();
+				if (file_exists($filename)) {
+					unlink($filename);
+				}
+				$filename = $basepath . '/photo/' . $hash . '-5.' . $Image->getExt();
+				if (file_exists($filename)) {
+					unlink($filename);
+				}
+				$filename = $basepath . '/photo/' . $hash . '-6.' . $Image->getExt();
+				if (file_exists($filename)) {
+					unlink($filename);
+				}
+			}
+		} else {
+			$photo_failure = true;
+		}
+
+		if ($photo_failure && $quit_on_error) {
+			return false;
+		}
+
+		if ($photo_failure) {
+			$photo = System::baseUrl() . '/images/person-175.jpg';
+			$thumb = System::baseUrl() . '/images/person-80.jpg';
+			$micro = System::baseUrl() . '/images/person-48.jpg';
+		}
+
+		return array($photo, $thumb, $micro);
+	}
+}
diff --git a/src/Object/Profile.php b/src/Model/Profile.php
similarity index 85%
rename from src/Object/Profile.php
rename to src/Model/Profile.php
index 29925a9497..0916e66c8d 100644
--- a/src/Object/Profile.php
+++ b/src/Model/Profile.php
@@ -1,14 +1,12 @@
 <?php
 
 /**
- * @file src/Object/Profile.php
+ * @file src/Model/Profile.php
  */
 
-namespace Friendica\Object;
+namespace Friendica\Model;
 
-use Friendica\BaseObject;
-
-class Profile extends BaseObject
+class Profile
 {
 	/**
 	 * @brief Returns a formatted location string from the given profile array
diff --git a/src/Model/User.php b/src/Model/User.php
index 72e3aea939..54d2d3bc60 100644
--- a/src/Model/User.php
+++ b/src/Model/User.php
@@ -11,8 +11,9 @@ use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
-use Friendica\Object\Photo;
+use Friendica\Model\Contact;
+use Friendica\Model\Photo;
+use Friendica\Object\Image;
 use dba;
 
 require_once 'boot.php';
@@ -381,32 +382,32 @@ class User
 			$filename = basename($photo);
 			$img_str = fetch_url($photo, true);
 			// guess mimetype from headers or filename
-			$type = Photo::guessImageType($photo, true);
+			$type = Image::guessType($photo, true);
 
 
-			$img = new Photo($img_str, $type);
-			if ($img->isValid()) {
-				$img->scaleImageSquare(175);
+			$Image = new Image($img_str, $type);
+			if ($Image->isValid()) {
+				$Image->scaleToSquare(175);
 
 				$hash = photo_new_resource();
 
-				$r = $img->store($newuid, 0, $hash, $filename, t('Profile Photos'), 4);
+				$r = Photo::store($Image, $newuid, 0, $hash, $filename, t('Profile Photos'), 4);
 
 				if ($r === false) {
 					$photo_failure = true;
 				}
 
-				$img->scaleImage(80);
+				$Image->scaleDown(80);
 
-				$r = $img->store($newuid, 0, $hash, $filename, t('Profile Photos'), 5);
+				$r = Photo::store($Image, $newuid, 0, $hash, $filename, t('Profile Photos'), 5);
 
 				if ($r === false) {
 					$photo_failure = true;
 				}
 
-				$img->scaleImage(48);
+				$Image->scaleDown(48);
 
-				$r = $img->store($newuid, 0, $hash, $filename, t('Profile Photos'), 6);
+				$r = Photo::store($Image, $newuid, 0, $hash, $filename, t('Profile Photos'), 6);
 
 				if ($r === false) {
 					$photo_failure = true;
diff --git a/src/Network/Probe.php b/src/Network/Probe.php
index 500aa7323f..320bb43cc1 100644
--- a/src/Network/Probe.php
+++ b/src/Network/Probe.php
@@ -14,7 +14,7 @@ use Friendica\Core\System;
 use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
-use Friendica\Object\Profile;
+use Friendica\Model\Profile;
 use Friendica\Protocol\Email;
 use Friendica\Util\XML;
 
diff --git a/src/Object/Photo.php b/src/Object/Image.php
similarity index 77%
rename from src/Object/Photo.php
rename to src/Object/Image.php
index a8bb3b4ada..79fbf3a990 100644
--- a/src/Object/Photo.php
+++ b/src/Object/Image.php
@@ -1,7 +1,7 @@
 <?php
 /**
- * @file src/Object/Photo.php
- * @brief This file contains the Photo class for image processing
+ * @file src/Object/Image.php
+ * @brief This file contains the Image class for image processing
  */
 namespace Friendica\Object;
 
@@ -10,7 +10,7 @@ use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use dba;
+use Friendica\Model\Photo;
 use Exception;
 use Imagick;
 use ImagickPixel;
@@ -18,9 +18,9 @@ use ImagickPixel;
 require_once "include/photos.php";
 
 /**
- * Class to handle Photos
+ * Class to handle images
  */
-class Photo
+class Image
 {
 	private $image;
 
@@ -285,7 +285,7 @@ class Photo
 	 * @param integer $max max dimension
 	 * @return mixed
 	 */
-	public function scaleImage($max)
+	public function scaleDown($max)
 	{
 		if (!$this->isValid()) {
 			return false;
@@ -350,7 +350,7 @@ class Photo
 				// FIXME - implement horizantal bias for scaling as in followin GD functions
 				// to allow very tall images to be constrained only horizontally.
 
-				$this->image->scaleImage($dest_width, $dest_height);
+				$this->image->scaleDown($dest_width, $dest_height);
 			} while ($this->image->nextImage());
 
 			// These may not be necessary any more
@@ -524,7 +524,7 @@ class Photo
 	 * @param integer $min minimum dimension
 	 * @return mixed
 	 */
-	public function scaleImageUp($min)
+	public function scaleUp($min)
 	{
 		if (!$this->isValid()) {
 			return false;
@@ -563,7 +563,7 @@ class Photo
 		}
 
 		if ($this->isImagick()) {
-			return $this->scaleImage($dest_width, $dest_height);
+			return $this->scaleDown($dest_width, $dest_height);
 		}
 
 		$dest = imagecreatetruecolor($dest_width, $dest_height);
@@ -585,7 +585,7 @@ class Photo
 	 * @param integer $dim dimension
 	 * @return mixed
 	 */
-	public function scaleImageSquare($dim)
+	public function scaleToSquare($dim)
 	{
 		if (!$this->isValid()) {
 			return false;
@@ -594,7 +594,7 @@ class Photo
 		if ($this->isImagick()) {
 			$this->image->setFirstIterator();
 			do {
-				$this->image->scaleImage($dim, $dim);
+				$this->image->scaleDown($dim, $dim);
 			} while ($this->image->nextImage());
 			return;
 		}
@@ -622,7 +622,7 @@ class Photo
 	 * @param integer $h   height
 	 * @return mixed
 	 */
-	public function cropImage($max, $x, $y, $w, $h)
+	public function crop($max, $x, $y, $w, $h)
 	{
 		if (!$this->isValid()) {
 			return false;
@@ -639,7 +639,7 @@ class Photo
 				 */
 				$this->image->setImagePage(0, 0, 0, 0);
 			} while ($this->image->nextImage());
-			return $this->scaleImage($max);
+			return $this->scaleDown($max);
 		}
 
 		$dest = imagecreatetruecolor($max, $max);
@@ -661,13 +661,13 @@ class Photo
 	 * @param string $path file path
 	 * @return mixed
 	 */
-	public function saveImage($path)
+	public function saveToFilePath($path)
 	{
 		if (!$this->isValid()) {
 			return false;
 		}
 
-		$string = $this->imageString();
+		$string = $this->asString();
 
 		$a = get_app();
 
@@ -676,10 +676,23 @@ class Photo
 		$a->save_timestamp($stamp1, "file");
 	}
 
+	/**
+	 * @brief Magic method allowing string casting of an Image object
+	 *
+	 * Ex: $data = $Image->asString();
+	 * can be replaced by
+	 * $data = (string) $Image;
+	 *
+	 * @return string
+	 */
+	public function __toString() {
+		return $this->asString();
+	}
+
 	/**
 	 * @return mixed
 	 */
-	public function imageString()
+	public function asString()
 	{
 		if (!$this->isValid()) {
 			return false;
@@ -720,46 +733,6 @@ class Photo
 		return $string;
 	}
 
-	/**
-	 * @param integer $uid       uid
-	 * @param integer $cid       cid
-	 * @param integer $rid       rid
-	 * @param string  $filename  filename
-	 * @param string  $album     album name
-	 * @param integer $scale     scale
-	 * @param integer $profile   optional, default = 0
-	 * @param string  $allow_cid optional, default = ''
-	 * @param string  $allow_gid optional, default = ''
-	 * @param string  $deny_cid  optional, default = ''
-	 * @param string  $deny_gid  optional, default = ''
-	 * @param string  $desc      optional, default = ''
-	 * @return object
-	 */
-	public function store($uid, $cid, $rid, $filename, $album, $scale, $profile = 0, $allow_cid = '', $allow_gid = '', $deny_cid = '', $deny_gid = '', $desc = '')
-	{
-		$r = dba::select('photo', array('guid'), array("`resource-id` = ? AND `guid` != ?", $rid, ''), array('limit' => 1));
-		if (DBM::is_result($r)) {
-			$guid = $r['guid'];
-		} else {
-			$guid = get_guid();
-		}
-
-		$x = dba::select('photo', array('id'), array('resource-id' => $rid, 'uid' => $uid, 'contact-id' => $cid, 'scale' => $scale), array('limit' => 1));
-
-		$fields = array('uid' => $uid, 'contact-id' => $cid, 'guid' => $guid, 'resource-id' => $rid, 'created' => datetime_convert(), 'edited' => datetime_convert(),
-				'filename' => basename($filename), 'type' => $this->getType(), 'album' => $album, 'height' => $this->getHeight(), 'width' => $this->getWidth(),
-				'datasize' => strlen($this->imageString()), 'data' => $this->imageString(), 'scale' => $scale, 'profile' => $profile,
-				'allow_cid' => $allow_cid, 'allow_gid' => $allow_gid, 'deny_cid' => $deny_cid, 'deny_gid' => $deny_gid, 'desc' => $desc);
-
-		if (DBM::is_result($x)) {
-			$r = dba::update('photo', $fields, array('id' => $x['id']));
-		} else {
-			$r = dba::insert('photo', $fields);
-		}
-
-		return $r;
-	}
-
 	/**
 	 * Guess image mimetype from filename or from Content-Type header
 	 *
@@ -768,9 +741,9 @@ class Photo
 	 *
 	 * @return object
 	 */
-	public static function guessImageType($filename, $fromcurl = false)
+	public static function guessType($filename, $fromcurl = false)
 	{
-		logger('Photo: guessImageType: '.$filename . ($fromcurl?' from curl headers':''), LOGGER_DEBUG);
+		logger('Image: guessType: '.$filename . ($fromcurl?' from curl headers':''), LOGGER_DEBUG);
 		$type = null;
 		if ($fromcurl) {
 			$a = get_app();
@@ -805,109 +778,10 @@ class Photo
 				}
 			}
 		}
-		logger('Photo: guessImageType: type='.$type, LOGGER_DEBUG);
+		logger('Image: guessType: type='.$type, LOGGER_DEBUG);
 		return $type;
 	}
 
-	/**
-	 * @param string  $photo         photo
-	 * @param integer $uid           user id
-	 * @param integer $cid           contact id
-	 * @param boolean $quit_on_error optional, default false
-	 * @return array
-	 */
-	public static function importProfilePhoto($photo, $uid, $cid, $quit_on_error = false)
-	{
-		$r = dba::select(
-			'photo',
-			array('resource-id'),
-			array('uid' => $uid, 'contact-id' => $cid, 'scale' => 4, 'album' => 'Contact Photos'),
-			array('limit' => 1)
-		);
-
-		if (DBM::is_result($r) && strlen($r['resource-id'])) {
-			$hash = $r['resource-id'];
-		} else {
-			$hash = photo_new_resource();
-		}
-	
-		$photo_failure = false;
-	
-		$filename = basename($photo);
-		$img_str = fetch_url($photo, true);
-	
-		if ($quit_on_error && ($img_str == "")) {
-			return false;
-		}
-	
-		$type = self::guessImageType($photo, true);
-		$img = new Photo($img_str, $type);
-		if ($img->isValid()) {
-			$img->scaleImageSquare(175);
-	
-			$r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 4);
-	
-			if ($r === false) {
-				$photo_failure = true;
-			}
-	
-			$img->scaleImage(80);
-	
-			$r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 5);
-	
-			if ($r === false) {
-				$photo_failure = true;
-			}
-	
-			$img->scaleImage(48);
-	
-			$r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 6);
-	
-			if ($r === false) {
-				$photo_failure = true;
-			}
-	
-			$suffix = '?ts='.time();
-	
-			$photo = System::baseUrl() . '/photo/' . $hash . '-4.' . $img->getExt() . $suffix;
-			$thumb = System::baseUrl() . '/photo/' . $hash . '-5.' . $img->getExt() . $suffix;
-			$micro = System::baseUrl() . '/photo/' . $hash . '-6.' . $img->getExt() . $suffix;
-	
-			// Remove the cached photo
-			$a = get_app();
-			$basepath = $a->get_basepath();
-	
-			if (is_dir($basepath."/photo")) {
-				$filename = $basepath.'/photo/'.$hash.'-4.'.$img->getExt();
-				if (file_exists($filename)) {
-					unlink($filename);
-				}
-				$filename = $basepath.'/photo/'.$hash.'-5.'.$img->getExt();
-				if (file_exists($filename)) {
-					unlink($filename);
-				}
-				$filename = $basepath.'/photo/'.$hash.'-6.'.$img->getExt();
-				if (file_exists($filename)) {
-					unlink($filename);
-				}
-			}
-		} else {
-			$photo_failure = true;
-		}
-	
-		if ($photo_failure && $quit_on_error) {
-			return false;
-		}
-	
-		if ($photo_failure) {
-			$photo = System::baseUrl() . '/images/person-175.jpg';
-			$thumb = System::baseUrl() . '/images/person-80.jpg';
-			$micro = System::baseUrl() . '/images/person-48.jpg';
-		}
-	
-		return array($photo, $thumb, $micro);
-	}
-
 	/**
 	 * @param string $url url
 	 * @return object
@@ -915,34 +789,34 @@ class Photo
 	public static function getInfoFromURL($url)
 	{
 		$data = array();
-	
+
 		$data = Cache::get($url);
-	
+
 		if (is_null($data) || !$data || !is_array($data)) {
 			$img_str = fetch_url($url, true, $redirects, 4);
 			$filesize = strlen($img_str);
-	
+
 			if (function_exists("getimagesizefromstring")) {
 				$data = getimagesizefromstring($img_str);
 			} else {
 				$tempfile = tempnam(get_temppath(), "cache");
-	
+
 				$a = get_app();
 				$stamp1 = microtime(true);
 				file_put_contents($tempfile, $img_str);
 				$a->save_timestamp($stamp1, "file");
-	
+
 				$data = getimagesize($tempfile);
 				unlink($tempfile);
 			}
-	
+
 			if ($data) {
 				$data["size"] = $filesize;
 			}
-	
+
 			Cache::set($url, $data);
 		}
-	
+
 		return $data;
 	}
 
@@ -952,18 +826,18 @@ class Photo
 	 * @param integer $max    max
 	 * @return array
 	 */
-	public static function scaleImageTo($width, $height, $max)
+	public static function getScalingDimensions($width, $height, $max)
 	{
 		$dest_width = $dest_height = 0;
-	
+
 		if ((!$width) || (!$height)) {
 			return false;
 		}
-	
+
 		if ($width > $max && $height > $max) {
 			// very tall image (greater than 16:9)
 			// constrain the width - let the height float.
-	
+
 			if ((($height * 9) / 16) > $width) {
 				$dest_width = $max;
 				$dest_height = intval(($height * $max) / $width);
@@ -983,7 +857,7 @@ class Photo
 				if ($height > $max) {
 					// very tall image (greater than 16:9)
 					// but width is OK - don't do anything
-	
+
 					if ((($height * 9) / 16) > $width) {
 						$dest_width = $width;
 						$dest_height = $height;
@@ -1015,152 +889,152 @@ class Photo
 			WHERE `user`.`uid` = %d AND `user`.`blocked` = 0 AND `contact`.`self` = 1 LIMIT 1",
 			intval($uid)
 		);
-	
+
 		if (!DBM::is_result($r)) {
 			logger("Can't detect user data for uid ".$uid, LOGGER_DEBUG);
 			return(array());
 		}
-	
+
 		$page_owner_nick  = $r[0]['nickname'];
-	
+
 		/// @TODO
 		/// $default_cid      = $r[0]['id'];
 		/// $community_page   = (($r[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
-	
+
 		if ((strlen($imagedata) == 0) && ($url == "")) {
 			logger("No image data and no url provided", LOGGER_DEBUG);
 			return(array());
 		} elseif (strlen($imagedata) == 0) {
 			logger("Uploading picture from ".$url, LOGGER_DEBUG);
-	
+
 			$stamp1 = microtime(true);
 			$imagedata = @file_get_contents($url);
 			$a->save_timestamp($stamp1, "file");
 		}
-	
+
 		$maximagesize = Config::get('system', 'maximagesize');
-	
+
 		if (($maximagesize) && (strlen($imagedata) > $maximagesize)) {
 			logger("Image exceeds size limit of ".$maximagesize, LOGGER_DEBUG);
 			return(array());
 		}
-	
+
 		$tempfile = tempnam(get_temppath(), "cache");
-	
+
 		$stamp1 = microtime(true);
 		file_put_contents($tempfile, $imagedata);
 		$a->save_timestamp($stamp1, "file");
-	
+
 		$data = getimagesize($tempfile);
-	
+
 		if (!isset($data["mime"])) {
 			unlink($tempfile);
 			logger("File is no picture", LOGGER_DEBUG);
 			return(array());
 		}
-	
-		$ph = new Photo($imagedata, $data["mime"]);
-	
-		if (!$ph->isValid()) {
+
+		$Image = new Image($imagedata, $data["mime"]);
+
+		if (!$Image->isValid()) {
 			unlink($tempfile);
 			logger("Picture is no valid picture", LOGGER_DEBUG);
 			return(array());
 		}
-	
-		$ph->orient($tempfile);
+
+		$Image->orient($tempfile);
 		unlink($tempfile);
-	
+
 		$max_length = Config::get('system', 'max_image_length');
 		if (! $max_length) {
 			$max_length = MAX_IMAGE_LENGTH;
 		}
 
 		if ($max_length > 0) {
-			$ph->scaleImage($max_length);
+			$Image->scaleDown($max_length);
 		}
-	
-		$width = $ph->getWidth();
-		$height = $ph->getHeight();
-	
+
+		$width = $Image->getWidth();
+		$height = $Image->getHeight();
+
 		$hash = photo_new_resource();
-	
+
 		$smallest = 0;
-	
+
 		// Pictures are always public by now
 		//$defperm = '<'.$default_cid.'>';
 		$defperm = "";
 		$visitor = 0;
-	
-		$r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 0, 0, $defperm);
-	
+
+		$r = Photo::store($Image, $uid, $visitor, $hash, $tempfile, t('Wall Photos'), 0, 0, $defperm);
+
 		if (!$r) {
 			logger("Picture couldn't be stored", LOGGER_DEBUG);
 			return(array());
 		}
-	
+
 		$image = array("page" => System::baseUrl().'/photos/'.$page_owner_nick.'/image/'.$hash,
-			"full" => System::baseUrl()."/photo/{$hash}-0.".$ph->getExt());
-	
+			"full" => System::baseUrl()."/photo/{$hash}-0.".$Image->getExt());
+
 		if ($width > 800 || $height > 800) {
-			$image["large"] = System::baseUrl()."/photo/{$hash}-0.".$ph->getExt();
+			$image["large"] = System::baseUrl()."/photo/{$hash}-0.".$Image->getExt();
 		}
-	
+
 		if ($width > 640 || $height > 640) {
-			$ph->scaleImage(640);
-			$r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 1, 0, $defperm);
+			$Image->scaleDown(640);
+			$r = Photo::store($Image, $uid, $visitor, $hash, $tempfile, t('Wall Photos'), 1, 0, $defperm);
 			if ($r) {
-				$image["medium"] = System::baseUrl()."/photo/{$hash}-1.".$ph->getExt();
+				$image["medium"] = System::baseUrl()."/photo/{$hash}-1.".$Image->getExt();
 			}
 		}
-	
+
 		if ($width > 320 || $height > 320) {
-			$ph->scaleImage(320);
-			$r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 2, 0, $defperm);
+			$Image->scaleDown(320);
+			$r = Photo::store($Image, $uid, $visitor, $hash, $tempfile, t('Wall Photos'), 2, 0, $defperm);
 			if ($r) {
-				$image["small"] = System::baseUrl()."/photo/{$hash}-2.".$ph->getExt();
+				$image["small"] = System::baseUrl()."/photo/{$hash}-2.".$Image->getExt();
 			}
 		}
-	
+
 		if ($width > 160 && $height > 160) {
 			$x = 0;
 			$y = 0;
-		
-			$min = $ph->getWidth();
+
+			$min = $Image->getWidth();
 			if ($min > 160) {
 				$x = ($min - 160) / 2;
 			}
-		
-			if ($ph->getHeight() < $min) {
-				$min = $ph->getHeight();
+
+			if ($Image->getHeight() < $min) {
+				$min = $Image->getHeight();
 				if ($min > 160) {
 					$y = ($min - 160) / 2;
 				}
 			}
-	
+
 			$min = 160;
-			$ph->cropImage(160, $x, $y, $min, $min);
-		
-			$r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 3, 0, $defperm);
+			$Image->crop(160, $x, $y, $min, $min);
+
+			$r = Photo::store($Image, $uid, $visitor, $hash, $tempfile, t('Wall Photos'), 3, 0, $defperm);
 			if ($r) {
-				$image["thumb"] = System::baseUrl()."/photo/{$hash}-3.".$ph->getExt();
+				$image["thumb"] = System::baseUrl()."/photo/{$hash}-3.".$Image->getExt();
 			}
 		}
-	
+
 		// Set the full image as preview image. This will be overwritten, if the picture is larger than 640.
 		$image["preview"] = $image["full"];
-	
+
 		// Deactivated, since that would result in a cropped preview, if the picture wasn't larger than 320
 		//if (isset($image["thumb"]))
 		//  $image["preview"] = $image["thumb"];
-	
+
 		// Unsure, if this should be activated or deactivated
 		//if (isset($image["small"]))
 		//  $image["preview"] = $image["small"];
-	
+
 		if (isset($image["medium"])) {
 			$image["preview"] = $image["medium"];
 		}
-	
+
 		return($image);
 	}
 }
diff --git a/src/Object/Item.php b/src/Object/Post.php
similarity index 96%
rename from src/Object/Item.php
rename to src/Object/Post.php
index 1533908aeb..902435b513 100644
--- a/src/Object/Item.php
+++ b/src/Object/Post.php
@@ -1,25 +1,24 @@
 <?php
 /**
- * @file src/Object/Item.php
+ * @file src/Object/Post.php
  */
 namespace Friendica\Object;
 
 use Friendica\BaseObject;
 use Friendica\Content\Feature;
-use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 use dba;
 
 require_once 'include/text.php';
 require_once 'boot.php';
-require_once "include/conversation.php";
+require_once 'include/conversation.php';
 
 /**
  * An item
  */
-class Item extends BaseObject
+class Post extends BaseObject
 {
 	private $data = array();
 	private $template = null;
@@ -32,7 +31,7 @@ class Item extends BaseObject
 	private $writable = false;
 	private $children = array();
 	private $parent = null;
-	private $conversation = null;
+	private $thread = null;
 	private $redirect_url = null;
 	private $owner_url = '';
 	private $owner_photo = '';
@@ -46,7 +45,7 @@ class Item extends BaseObject
 	 *
 	 * @param array $data data array
 	 */
-	public function __construct($data)
+	public function __construct(array $data)
 	{
 		$a = self::getApp();
 
@@ -90,7 +89,7 @@ class Item extends BaseObject
 				}
 
 				$item['pagedrop'] = $data['pagedrop'];
-				$child = new Item($item);
+				$child = new Post($item);
 				$this->addChild($child);
 			}
 		}
@@ -139,7 +138,7 @@ class Item extends BaseObject
 		$osparkle = '';
 		$total_children = $this->countDescendants();
 
-		$conv = $this->getConversation();
+		$conv = $this->getThread();
 
 		$lock = ((($item['private'] == 1) || (($item['uid'] == local_user()) && (strlen($item['allow_cid']) || strlen($item['allow_gid'])
 			|| strlen($item['deny_cid']) || strlen($item['deny_gid']))))
@@ -472,14 +471,14 @@ class Item extends BaseObject
 	 *
 	 * @return mixed
 	 */
-	public function addChild(Item $item)
+	public function addChild(Post $item)
 	{
 		$item_id = $item->getId();
 		if (!$item_id) {
-			logger('[ERROR] Item::addChild : Item has no ID!!', LOGGER_DEBUG);
+			logger('[ERROR] Post::addChild : Item has no ID!!', LOGGER_DEBUG);
 			return false;
 		} elseif ($this->getChild($item->getId())) {
-			logger('[WARN] Item::addChild : Item already exists ('. $item->getId() .').', LOGGER_DEBUG);
+			logger('[WARN] Post::addChild : Item already exists ('. $item->getId() .').', LOGGER_DEBUG);
 			return false;
 		}
 		/*
@@ -540,7 +539,7 @@ class Item extends BaseObject
 		}
 
 		$this->parent = $item;
-		$this->setConversation($item->getConversation());
+		$this->setThread($item->getThread());
 	}
 
 	/**
@@ -551,7 +550,7 @@ class Item extends BaseObject
 	protected function removeParent()
 	{
 		$this->parent = null;
-		$this->conversation = null;
+		$this->thread = null;
 	}
 
 	/**
@@ -594,15 +593,15 @@ class Item extends BaseObject
 	 *
 	 * @return void
 	 */
-	public function setConversation($conv)
+	public function setThread($conv)
 	{
-		$previous_mode = ($this->conversation ? $this->conversation->getMode() : '');
+		$previous_mode = ($this->thread ? $this->thread->getMode() : '');
 
-		$this->conversation = $conv;
+		$this->thread = $conv;
 
 		// Set it on our children too
 		foreach ($this->getChildren() as $child) {
-			$child->setConversation($conv);
+			$child->setThread($conv);
 		}
 	}
 
@@ -611,9 +610,9 @@ class Item extends BaseObject
 	 *
 	 * @return object
 	 */
-	public function getConversation()
+	public function getThread()
 	{
-		return $this->conversation;
+		return $this->thread;
 	}
 
 	/**
@@ -690,7 +689,7 @@ class Item extends BaseObject
 	 */
 	private function isWritable()
 	{
-		$conv = $this->getConversation();
+		$conv = $this->getThread();
 
 		if ($conv) {
 			// This will allow us to comment on wall-to-wall items owned by our friends
@@ -748,7 +747,7 @@ class Item extends BaseObject
 		$a = self::getApp();
 
 		$comment_box = '';
-		$conv = $this->getConversation();
+		$conv = $this->getThread();
 		$template = get_markup_template($this->getCommentBoxTemplate());
 		$ww = '';
 		if (($conv->getMode() === 'network') && $this->isWallToWall()) {
@@ -819,7 +818,7 @@ class Item extends BaseObject
 	protected function checkWallToWall()
 	{
 		$a = self::getApp();
-		$conv = $this->getConversation();
+		$conv = $this->getThread();
 		$this->wall_to_wall = false;
 
 		if ($this->isToplevel()) {
@@ -889,14 +888,6 @@ class Item extends BaseObject
 		return $this->owner_url;
 	}
 
-	/**
-	 * @return string
-	 */
-	private function getOwnerPhoto()
-	{
-		return $this->owner_photo;
-	}
-
 	/**
 	 * @return string
 	 */
diff --git a/src/Object/Conversation.php b/src/Object/Thread.php
similarity index 90%
rename from src/Object/Conversation.php
rename to src/Object/Thread.php
index 3721086f96..d159f41c96 100644
--- a/src/Object/Conversation.php
+++ b/src/Object/Thread.php
@@ -1,11 +1,11 @@
 <?php
 /**
- * @file src/Object/Conversation.php
+ * @file src/Object/Thread.php
  */
 namespace Friendica\Object;
 
 use Friendica\BaseObject;
-use Friendica\Object\Item;
+use Friendica\Object\Post;
 
 require_once 'boot.php';
 require_once 'include/text.php';
@@ -15,9 +15,9 @@ require_once 'include/text.php';
  *
  * We should think about making this a SPL Iterator
  */
-class Conversation extends BaseObject
+class Thread extends BaseObject
 {
-	private $threads = array();
+	private $parents = array();
 	private $mode = null;
 	private $writable = false;
 	private $profile_owner = 0;
@@ -120,7 +120,7 @@ class Conversation extends BaseObject
 	 * @return mixed The inserted item on success
 	 *               false on failure
 	 */
-	public function addThread($item)
+	public function addParent(Post $item)
 	{
 		$item_id = $item->getId();
 
@@ -129,7 +129,7 @@ class Conversation extends BaseObject
 			return false;
 		}
 
-		if ($this->getThread($item->getId())) {
+		if ($this->getParent($item->getId())) {
 			logger('[WARN] Conversation::addThread : Thread already exists ('. $item->getId() .').', LOGGER_DEBUG);
 			return false;
 		}
@@ -147,10 +147,10 @@ class Conversation extends BaseObject
 			return false;
 		}
 
-		$item->setConversation($this);
-		$this->threads[] = $item;
+		$item->setThread($this);
+		$this->parents[] = $item;
 
-		return end($this->threads);
+		return end($this->parents);
 	}
 
 	/**
@@ -169,7 +169,7 @@ class Conversation extends BaseObject
 		$result = array();
 		$i = 0;
 
-		foreach ($this->threads as $item) {
+		foreach ($this->parents as $item) {
 			if ($item->getDataValue('network') === NETWORK_MAIL && local_user() != $item->getDataValue('uid')) {
 				continue;
 			}
@@ -194,9 +194,9 @@ class Conversation extends BaseObject
 	 * @return mixed The found item on success
 	 *               false on failure
 	 */
-	private function getThread($id)
+	private function getParent($id)
 	{
-		foreach ($this->threads as $item) {
+		foreach ($this->parents as $item) {
 			if ($item->getId() == $id) {
 				return $item;
 			}
diff --git a/src/ParseUrl.php b/src/ParseUrl.php
index 2183a9c1e0..35557067d7 100644
--- a/src/ParseUrl.php
+++ b/src/ParseUrl.php
@@ -6,7 +6,7 @@
 namespace Friendica;
 
 use Friendica\Core\Config;
-use Friendica\Object\Photo;
+use Friendica\Object\Image;
 use Friendica\Util\XML;
 
 use dba;
@@ -353,7 +353,7 @@ class ParseUrl
 				}
 
 				$src = self::completeUrl($attr["src"], $url);
-				$photodata = Photo::getInfoFromURL($src);
+				$photodata = Image::getInfoFromURL($src);
 
 				if (($photodata) && ($photodata[0] > 150) && ($photodata[1] > 150)) {
 					if ($photodata[0] > 300) {
@@ -374,7 +374,7 @@ class ParseUrl
 
 			unset($siteinfo["image"]);
 
-			$photodata = Photo::getInfoFromURL($src);
+			$photodata = Image::getInfoFromURL($src);
 
 			if (($photodata) && ($photodata[0] > 10) && ($photodata[1] > 10)) {
 				$siteinfo["images"][] = array("src" => $src,
diff --git a/src/Protocol/DFRN.php b/src/Protocol/DFRN.php
index 5af082905d..62ada9620a 100644
--- a/src/Protocol/DFRN.php
+++ b/src/Protocol/DFRN.php
@@ -13,10 +13,10 @@ use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
-use Friendica\Object\Contact;
-use Friendica\Object\Photo;
-use Friendica\Object\Profile;
+use Friendica\Model\Contact;
+use Friendica\Model\GContact;
+use Friendica\Model\Profile;
+use Friendica\Object\Image;
 use Friendica\Protocol\OStatus;
 use Friendica\Util\XML;
 
@@ -476,7 +476,7 @@ class DFRN
 			$uid
 		);
 		$photos = array();
-		$ext = Photo::supportedTypes();
+		$ext = Image::supportedTypes();
 
 		foreach ($rp as $p) {
 			$photos[$p['scale']] = System::baseUrl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
@@ -1678,9 +1678,9 @@ class DFRN
 			$poco["photo"] = $author["avatar"];
 			$poco["hide"] = $hide;
 			$poco["contact-type"] = $contact["contact-type"];
-			$gcid = GlobalContact::update($poco);
+			$gcid = GContact::update($poco);
 
-			GlobalContact::link($gcid, $importer["uid"], $contact["id"]);
+			GContact::link($gcid, $importer["uid"], $contact["id"]);
 		}
 
 		return($author);
diff --git a/src/Protocol/Diaspora.php b/src/Protocol/Diaspora.php
index 2cb5eb700b..d6f1078f4c 100644
--- a/src/Protocol/Diaspora.php
+++ b/src/Protocol/Diaspora.php
@@ -16,10 +16,10 @@ use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
+use Friendica\Model\Contact;
+use Friendica\Model\GContact;
+use Friendica\Model\Profile;
 use Friendica\Network\Probe;
-use Friendica\Object\Contact;
-use Friendica\Object\Profile;
 use Friendica\Util\XML;
 
 use dba;
@@ -2247,9 +2247,9 @@ class Diaspora
 					"addr" => $author, "nick" => $nick, "keywords" => $keywords,
 					"hide" => !$searchable, "nsfw" => $nsfw);
 
-		$gcid = GlobalContact::update($gcontact);
+		$gcid = GContact::update($gcontact);
 
-		GlobalContact::link($gcid, $importer["uid"], $contact["id"]);
+		GContact::link($gcid, $importer["uid"], $contact["id"]);
 
 		logger("Profile of contact ".$contact["id"]." stored for user ".$importer["uid"], LOGGER_DEBUG);
 
diff --git a/src/Protocol/OStatus.php b/src/Protocol/OStatus.php
index 9a2eaeb5b7..2a021c89e9 100644
--- a/src/Protocol/OStatus.php
+++ b/src/Protocol/OStatus.php
@@ -9,10 +9,10 @@ use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
+use Friendica\Model\Contact;
+use Friendica\Model\GContact;
 use Friendica\Network\Probe;
-use Friendica\Object\Contact;
-use Friendica\Object\Photo;
+use Friendica\Object\Image;
 use Friendica\Util\Lock;
 use Friendica\Util\XML;
 use dba;
@@ -226,9 +226,9 @@ class OStatus
 			$contact["generation"] = 2;
 			$contact["hide"] = false; // OStatus contacts are never hidden
 			$contact["photo"] = $author["author-avatar"];
-			$gcid = GlobalContact::update($contact);
+			$gcid = GContact::update($contact);
 
-			GlobalContact::link($gcid, $contact["uid"], $contact["id"]);
+			GContact::link($gcid, $contact["uid"], $contact["id"]);
 		}
 
 		return $author;
@@ -1323,7 +1323,7 @@ class OStatus
 
 		switch ($siteinfo["type"]) {
 			case 'photo':
-				$imgdata = Photo::getInfoFromURL($siteinfo["image"]);
+				$imgdata = Image::getInfoFromURL($siteinfo["image"]);
 				$attributes = array("rel" => "enclosure",
 						"href" => $siteinfo["image"],
 						"type" => $imgdata["mime"],
@@ -1343,7 +1343,7 @@ class OStatus
 		}
 
 		if (!Config::get('system', 'ostatus_not_attach_preview') && ($siteinfo["type"] != "photo") && isset($siteinfo["image"])) {
-			$imgdata = Photo::getInfoFromURL($siteinfo["image"]);
+			$imgdata = Image::getInfoFromURL($siteinfo["image"]);
 			$attributes = array("rel" => "enclosure",
 					"href" => $siteinfo["image"],
 					"type" => $imgdata["mime"],
diff --git a/src/Protocol/PortableContact.php b/src/Protocol/PortableContact.php
index 84bfd4c4f1..2b37a99624 100644
--- a/src/Protocol/PortableContact.php
+++ b/src/Protocol/PortableContact.php
@@ -12,10 +12,9 @@ namespace Friendica\Protocol;
 use Friendica\Core\Config;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
+use Friendica\Model\GContact;
+use Friendica\Model\Profile;
 use Friendica\Network\Probe;
-use Friendica\Object\Photo;
-use Friendica\Object\Profile;
 use dba;
 use DOMDocument;
 use DomXPath;
@@ -193,10 +192,10 @@ class PortableContact
 					"generation" => $generation);
 
 			try {
-				$gcontact = GlobalContact::sanitize($gcontact);
-				$gcid = GlobalContact::update($gcontact);
+				$gcontact = GContact::sanitize($gcontact);
+				$gcid = GContact::update($gcontact);
 
-				GlobalContact::link($gcid, $uid, $cid, $zcid);
+				GContact::link($gcid, $uid, $cid, $zcid);
 			} catch (Exception $e) {
 				logger($e->getMessage(), LOGGER_DEBUG);
 			}
@@ -425,7 +424,7 @@ class PortableContact
 
 						$contact = array_merge($contact, $noscrape);
 
-						GlobalContact::update($contact);
+						GContact::update($contact);
 
 						if (trim($noscrape["updated"]) != "") {
 							q(
@@ -447,7 +446,7 @@ class PortableContact
 		if (!$force && !self::updateNeeded($gcontacts[0]["created"], $gcontacts[0]["updated"], $gcontacts[0]["last_failure"], $gcontacts[0]["last_contact"])) {
 			logger("Profile ".$profile." was last updated at ".$gcontacts[0]["updated"]." (cached)", LOGGER_DEBUG);
 
-			GlobalContact::update($contact);
+			GContact::update($contact);
 			return $gcontacts[0]["updated"];
 		}
 
@@ -468,8 +467,8 @@ class PortableContact
 			$gcontact["server_url"] = $data["baseurl"];
 
 			try {
-				$gcontact = GlobalContact::sanitize($gcontact);
-				GlobalContact::update($gcontact);
+				$gcontact = GContact::sanitize($gcontact);
+				GContact::update($gcontact);
 
 				self::lastUpdated($data["url"], $force);
 			} catch (Exception $e) {
@@ -495,7 +494,7 @@ class PortableContact
 
 		$contact["server_url"] = $data["baseurl"];
 
-		GlobalContact::update($contact);
+		GContact::update($contact);
 
 		$feedret = z_fetch_url($data["poll"]);
 
@@ -1601,8 +1600,8 @@ class PortableContact
 						"generation" => $generation);
 
 				try {
-					$gcontact = GlobalContact::sanitize($gcontact);
-					GlobalContact::update($gcontact);
+					$gcontact = GContact::sanitize($gcontact);
+					GContact::update($gcontact);
 				} catch (Exception $e) {
 					logger($e->getMessage(), LOGGER_DEBUG);
 				}
diff --git a/src/Worker/CronJobs.php b/src/Worker/CronJobs.php
index 7df7d030cb..b59f096d7d 100644
--- a/src/Worker/CronJobs.php
+++ b/src/Worker/CronJobs.php
@@ -10,9 +10,9 @@ use Friendica\App;
 use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
+use Friendica\Model\Contact;
+use Friendica\Model\GContact;
 use Friendica\Network\Probe;
-use Friendica\Object\Contact;
 use Friendica\Protocol\PortableContact;
 use dba;
 
@@ -280,7 +280,7 @@ class CronJobs
 		$r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
 		if (DBM::is_result($r)) {
 			foreach ($r AS $user) {
-				GlobalContact::updateForUser($user["uid"]);
+				GContact::updateForUser($user["uid"]);
 			}
 		}
 
diff --git a/src/Worker/Delivery.php b/src/Worker/Delivery.php
index bb30fc3bf4..c20bb8d8f8 100644
--- a/src/Worker/Delivery.php
+++ b/src/Worker/Delivery.php
@@ -9,7 +9,7 @@ use Friendica\App;
 use Friendica\Core\System;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 use Friendica\Protocol\Diaspora;
 use Friendica\Protocol\DFRN;
 use Friendica\Protocol\Email;
diff --git a/src/Worker/DiscoverPoCo.php b/src/Worker/DiscoverPoCo.php
index 96cfae00b6..b3c03e9050 100644
--- a/src/Worker/DiscoverPoCo.php
+++ b/src/Worker/DiscoverPoCo.php
@@ -8,7 +8,7 @@ use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
+use Friendica\Model\GContact;
 use Friendica\Network\Probe;
 use Friendica\Protocol\PortableContact;
 
@@ -90,7 +90,7 @@ class DiscoverPoCo {
 			}
 			logger($result, LOGGER_DEBUG);
 		} elseif ($mode == 3) {
-			GlobalContact::updateSuggestions();
+			GContact::updateSuggestions();
 		} elseif (($mode == 2) && Config::get('system', 'poco_completion')) {
 			self::discoverUsers();
 		} elseif (($mode == 1) && ($search != "") && Config::get('system', 'poco_local_search')) {
@@ -102,7 +102,7 @@ class DiscoverPoCo {
 
 			// Query GNU Social servers for their users ("statistics" addon has to be enabled on the GS server)
 			if (!Config::get('system', 'ostatus_disabled')) {
-				GlobalContact::discoverGsUsers();
+				GContact::discoverGsUsers();
 			}
 		}
 
@@ -256,7 +256,7 @@ class DiscoverPoCo {
 
 					$data["server_url"] = $data["baseurl"];
 
-					GlobalContact::update($data);
+					GContact::update($data);
 				} else {
 					logger("Profile ".$jj->url." is not responding or no Friendica contact - but network ".$data["network"], LOGGER_DEBUG);
 				}
@@ -297,7 +297,7 @@ class DiscoverPoCo {
 			$contact = Probe::uri($user->site_address."/".$user->name);
 			if ($contact["network"] != NETWORK_PHANTOM) {
 				$contact["about"] = $user->description;
-				GlobalContact::update($contact);
+				GContact::update($contact);
 			}
 		}
 	}
diff --git a/src/Worker/GProbe.php b/src/Worker/GProbe.php
index 2dd6633672..0d8c3765a8 100644
--- a/src/Worker/GProbe.php
+++ b/src/Worker/GProbe.php
@@ -8,7 +8,7 @@ namespace Friendica\Worker;
 use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
+use Friendica\Model\GContact;
 use Friendica\Network\Probe;
 use Friendica\Protocol\PortableContact;
 
@@ -47,7 +47,7 @@ class GProbe {
 			}
 
 			if (!in_array($arr["network"], array(NETWORK_FEED, NETWORK_PHANTOM))) {
-				GlobalContact::update($arr);
+				GContact::update($arr);
 			}
 
 			$r = q(
diff --git a/src/Worker/Notifier.php b/src/Worker/Notifier.php
index a3a03055ec..18fff2afda 100644
--- a/src/Worker/Notifier.php
+++ b/src/Worker/Notifier.php
@@ -7,8 +7,8 @@ namespace Friendica\Worker;
 use Friendica\Core\Config;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
+use Friendica\Model\Contact;
 use Friendica\Network\Probe;
-use Friendica\Object\Contact;
 use Friendica\Protocol\Diaspora;
 use Friendica\Protocol\OStatus;
 use Friendica\Protocol\Salmon;
diff --git a/src/Worker/OnePoll.php b/src/Worker/OnePoll.php
index 1190c77f5f..9024d0d4c9 100644
--- a/src/Worker/OnePoll.php
+++ b/src/Worker/OnePoll.php
@@ -7,7 +7,7 @@ namespace Friendica\Worker;
 use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Database\DBM;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 use Friendica\Protocol\Email;
 use Friendica\Protocol\PortableContact;
 use dba;
diff --git a/update.php b/update.php
index 12a04995c9..751e15b587 100644
--- a/update.php
+++ b/update.php
@@ -6,7 +6,8 @@ use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
-use Friendica\Object\Photo;
+use Friendica\Model\Photo;
+use Friendica\Object\Image;
 
 /**
  *
@@ -153,10 +154,10 @@ function update_1014()
 	$r = q("SELECT * FROM `photo` WHERE `scale` = 4");
 	if (DBM::is_result($r)) {
 		foreach ($r as $rr) {
-			$ph = new Photo($rr['data']);
-			if ($ph->isValid()) {
-				$ph->scaleImage(48);
-				$ph->store($rr['uid'],$rr['contact-id'],$rr['resource-id'],$rr['filename'],$rr['album'],6,(($rr['profile']) ? 1 : 0));
+			$Image = new Image($rr['data']);
+			if ($Image->isValid()) {
+				$Image->scaleDown(48);
+				Photo::store($Image, $rr['uid'],$rr['contact-id'],$rr['resource-id'],$rr['filename'],$rr['album'],6,(($rr['profile']) ? 1 : 0));
 			}
 		}
 	}
diff --git a/util/global_community_block.php b/util/global_community_block.php
index ab586b6510..87044bb4e4 100755
--- a/util/global_community_block.php
+++ b/util/global_community_block.php
@@ -29,7 +29,7 @@ if ($argc != 2 || $argv[1] == "-h" || $argv[1] == "--help" || $argv[1] == "-?")
 }
 
 use Friendica\BaseObject;
-use Friendica\Object\Contact;
+use Friendica\Model\Contact;
 
 require_once 'boot.php';
 require_once 'include/dba.php';
diff --git a/view/theme/frio/theme.php b/view/theme/frio/theme.php
index 0a6b48e4eb..8b17130269 100644
--- a/view/theme/frio/theme.php
+++ b/view/theme/frio/theme.php
@@ -12,7 +12,7 @@ use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Object\Photo;
+use Friendica\Object\Image;
 
 $frio = "view/theme/frio";
 
@@ -82,7 +82,7 @@ function frio_uninstall() {
  */
 function frio_item_photo_links(App $a, &$body_info)
 {
-	$phototypes = Photo::supportedTypes();
+	$phototypes = Image::supportedTypes();
 	$occurence = 1;
 	$p = bb_find_open_close($body_info['html'], "<a", ">");
 
diff --git a/view/theme/frost/theme.php b/view/theme/frost/theme.php
index 5d5162cd32..f661546b39 100644
--- a/view/theme/frost/theme.php
+++ b/view/theme/frost/theme.php
@@ -11,7 +11,7 @@
 
 use Friendica\App;
 use Friendica\Core\System;
-use Friendica\Object\Photo;
+use Friendica\Object\Image;
 
 function frost_init(App $a) {
 	$a->videowidth = 400;
@@ -48,7 +48,7 @@ function frost_uninstall() {
 
 function frost_item_photo_links(App $a, &$body_info)
 {
-	$phototypes = Photo::supportedTypes();
+	$phototypes = Image::supportedTypes();
 
 	$occurence = 1;
 	$p = bb_find_open_close($body_info['html'], "<a", ">");
diff --git a/view/theme/vier/theme.php b/view/theme/vier/theme.php
index 0f81200890..b7c76b02ef 100644
--- a/view/theme/vier/theme.php
+++ b/view/theme/vier/theme.php
@@ -15,7 +15,7 @@ use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Model\GlobalContact;
+use Friendica\Model\GContact;
 
 require_once "include/plugin.php";
 require_once "mod/proxy.php";
@@ -139,7 +139,7 @@ function vier_community_info() {
 
 	// comunity_profiles
 	if ($show_profiles) {
-		$r = GlobalContact::suggestionQuery(local_user(), 0, 9);
+		$r = GContact::suggestionQuery(local_user(), 0, 9);
 
 		$tpl = get_markup_template('ch_directory_item.tpl');
 		if (DBM::is_result($r)) {