public function renderMenu($slug, $view = 'VinceCmsBundle:Component:menu.html.twig', array $parameters = array())
    {
        /** @var Menu $menu */
        $menu = $this->repositories['menu']->findOneBy(array('slug' => $slug, 'lvl' => 0));
        if (!$menu || !$menu->getChildren()->count() || (!$menu->isPublished() && !$this->security->isGranted('ROLE_ADMIN'))) {
            return;
        }

        return $this->environment->render($view, array_merge(array('menu' => $menu), $parameters));
    }