/**
  * permit an user
  **/
 public function permitUserAction()
 {
     $this->_helper->layout->disableLayout();
     $this->_helper->viewRenderer->setNoRender();
     if ($this->getRequest()->isPost()) {
         $actor_id = $this->_getParam('aid');
         $matterModel = new Application_Model_Matter();
         $result = $matterModel->permitUser($actor_id);
     }
 }