added missing div.panel for consistency in design

cfoe

2012-06-10 cd27640cc5942a8dc8a535b910951d37aaec6c98

 interface/lib/classes/plugin.inc.php

@@ -31,7 +31,7 @@
class plugin {
   
   private $subscribed_events = array();
   private $debug = true;
   private $debug = false;
   
   
   /*