public function postSaveFeatures($business_id)
 {
     if (Admin::isAdmin()) {
         // PAG added permission checking
         $data = Input::all();
         Business::saveBusinessFeatures($business_id, $data);
     } else {
         return json_encode(array('success' => 0, 'message' => 'You are not allowed to access this function.'));
     }
 }