public function installedAction(Request $request)
    {
        $response = $this->getCacheTimeKeeper()->getResponse('AnimeDbAppBundle:Plugin');
        // response was not modified for this request
        if ($response->isNotModified($request)) {
            return $response;
        }

        /* @var $rep EntityRepository */
        $rep = $this->getDoctrine()->getRepository('AnimeDbAppBundle:Plugin');

        return $this->render('AnimeDbCatalogBundle:Plugin:installed.html.twig', [
            'plugins' => $rep->findAll(),
        ], $response);
    }