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>

include/oembed.php

@@ -4,8 +4,9 @@
  * @file include/oembed.php
  */
 
-use \Friendica\ParseUrl;
-use \Friendica\Core\Config;
+use Friendica\App;
+use Friendica\ParseUrl;
+use Friendica\Core\Config;
 
 function oembed_replacecb($matches){
 	$embedurl=$matches[1];