BBB: Fix 301 Moved Permanently error

plugin/bbb/lib/bbb_api.php

@@ -65,6 +65,8 @@ class BigBlueButtonBN
 			curl_setopt( $ch, CURLOPT_URL, $url );
 			curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
 			curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT, $timeout);
+            // Following redirect required to use Scalelite, BBB's Load Balancer
+            curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, true);
 			$data = curl_exec( $ch );
 			curl_close( $ch );