Merge branch 'develop' of github.com:friendica/friendica into rewrites/coding-convention-split2-4-2

Fixed some stuff:
- converted some files from DOS to Uni* (CRLF -> LF)
- removed trailing white-spaces

Signed-off-by: Roland Häder <roland@mxchange.org>

mod/pretheme.php

@@ -1,22 +1,24 @@
 <?php
 
+use Friendica\App;
+
 function pretheme_init(App $a) {
 
-	if($_REQUEST['theme']) {
+	if ($_REQUEST['theme']) {
 		$theme = $_REQUEST['theme'];
 		$info = get_theme_info($theme);
-		if($info) {
+		if ($info) {
 			// unfortunately there will be no translation for this string
 			$desc = $info['description'];
 			$version = $info['version'];
 			$credits = $info['credits'];
-		}
-		else {
+		} else {
 			$desc = '';
 			$version = '';
 			$credits = '';
 		}
 		echo json_encode(array('img' => get_theme_screenshot($theme), 'desc' => $desc, 'version' => $version, 'credits' => $credits));
 	}
+
 	killme();
 }