function __construct()
 {
     adminGateKeeper();
     $logos = getEntities(array("type" => "Logo"));
     if ($logos) {
         foreach ($logos as $logo) {
             $logo->delete();
         }
     }
     $logo = new Logo();
     $logo->save();
     $logo->createAvatar();
     new SystemMessage("Your avatar has been uploaded.");
     forward("admin/logo");
 }