public function listAction($notifiable)
    {
        $notifiableRepo = $this->get('doctrine.orm.entity_manager')->getRepository('MgiletNotificationBundle:NotifiableNotification');
        $notificationList = $notifiableRepo->findAllForNotifiableId($notifiable);
        return $this->render('@MgiletNotification/notifications.html.twig', array(
            'notificationList' => $notificationList,
            'notifiableNotifications' => $notificationList // deprecated: alias for backward compatibility only
        ));
    }