public function saveAction()
 {
     $form = new Form_Configuracion();
     $post = $this->_request->getPost();
     if (!$form->isValid($post) || $post['Usuario'] == 0) {
         $this->view->form = $form;
         $this->view->form->setAction('save');
         $this->_forward('index', 'configuracion');
         return false;
     }
     $mapper_config = new Mapper_Configuracion();
     try {
         $mapper_config->insert(new Entity_Configuracion($form->getValues()));
     } catch (Exception $e) {
         $this->view->error = $e->getMessage();
     }
 }