highlight de l'onglet lorsque page Demandes de tags ouverte

src/Muzich/HomeBundle/Controller/HomeController.php

     ));
     
     return $this->render('MuzichHomeBundle:Home:need_tags.html.twig', array(
-      'elements' => $es->getElements($this->getDoctrine(), $this->getUserId())
+      'elements' => $es->getElements($this->getDoctrine(), $this->getUserId()),
+      'topmenu_active' => 'needs-tags'
     ));
   }