Add follow redirect in bigbluebutton plugin. (#3009)

* Add follow redirect in bigbluebutton plugin.
* Fix indentation in bbb_api.php
* Second code style fix.
* Put max redirections to bbb api calls.

plugin/bbb/lib/bbb_api.php

@@ -64,6 +64,8 @@ class BigBlueButtonBN
 			curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, false);
 			curl_setopt( $ch, CURLOPT_URL, $url );
 			curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
+			curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, true );
+			curl_setopt( $ch, CURLOPT_MAXREDIRS, 5 )
 			curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT, $timeout);
 			$data = curl_exec( $ch );
 			curl_close( $ch );