public function logout()
 {
     moojon_security::destroy();
     moojon_flash::set('notification', moojon_config::get('security_logout_message'));
     $this->redirect(moojon_config::get('index_file') . moojon_config::get('security_app') . '/' . moojon_config::get('security_controller') . '/' . moojon_config::get('security_action'));
 }