public function massDeleteAction()
 {
     $customerIds = $this->getRequest()->getParam('customer');
     if (is_array($customerIds)) {
         $braintree = Mage::getModel('braintree/paymentmethod');
         foreach ($customerIds as $customerId) {
             $braintree->deleteCustomer($customerId);
         }
     }
     parent::massDeleteAction();
 }
 public function indexAction()
 {
     parent::indexAction();
 }