Adding $course_plugin variable that will load the plugin lang variables

plugin/bbb/listing.php

@@ -7,10 +7,8 @@
  * Initialization
  */
 
-$course_plugin = 'bbb';
-
+$course_plugin = 'bbb'; //needed in order to load the plugin lang variables 
 require_once 'config.php';
-
 $tool_name = get_lang('Videoconference');
 $tpl = new Template($tool_name);
 

plugin/bbb/start.php

@@ -6,11 +6,11 @@
 /**
  * Initialization
  */
-require_once 'config.php';
 
+$course_plugin = 'bbb'; //needed in order to load the plugin lang variables 
+require_once 'config.php';
 $tool_name = get_lang('Videoconference');
 $tpl = new Template($tool_name);
-
 $bbb = new bbb();
 
 if ($bbb) {