private function saveForProject(Project $project, HTTPRequest $request)
 {
     $this->savePermissions($project, $request);
     $this->system_event_manager->queueACLUpdate($project->getUnixName());
     $GLOBALS['Response']->addFeedback(Feedback::INFO, $GLOBALS['Language']->getText('plugin_proftpd', 'permissions_updated'));
     $GLOBALS['Response']->redirect('?' . http_build_query(array('group_id' => $project->getID(), 'controller' => self::NAME, 'action' => 'index')));
 }