Fix label encoding

Author: wouterj

src/AppBundle/Controller/DefaultController.php

@@ -18,7 +18,7 @@ public function homepageAction()
                 'https://github.com/%s/%s/labels/%s',
                 $this->container->getParameter('repository_username'),
                 $this->container->getParameter('repository_name'),
-                urlencode(StatusManager::getLabelForStatus(StatusManager::STATUS_NEEDS_REVIEW))
+                rawurlencode(StatusManager::getLabelForStatus(StatusManager::STATUS_NEEDS_REVIEW))
             )
         ]);
     }