public function actionUpdate($id)
 {
     $model = $this->loadModel($id);
     $form = new BaseForm('docs.DocumentationForm', $model);
     $this->performAjaxValidation($model);
     if ($form->submitted() && $model->save()) {
         $this->redirect($model->manageUrl);
     }
     $this->render('update', array('form' => $form));
 }