magento/magento2#: Replace deprecated addError, addSuccess, addException methods in Magento_Customer

Author: atwixfirster

app/code/Magento/Customer/Controller/Address/Delete.php

@@ -32,7 +32,7 @@ public function execute()
                     $this->messageManager->addComplexErrorMessage('unableDeleteAddressMessage');
                 }
             } catch (\Exception $other) {
-                $this->messageManager->addExceptionMessage($other, __('We can\'t delete the address right now.'));
+                $this->messageManager->addException($other, __('We can\'t delete the address right now.'));
             }
         }
         return $this->resultRedirectFactory->create()->setPath('*/*/index');

app/code/Magento/Customer/Controller/Adminhtml/Group/Save.php

@@ -96,7 +96,7 @@ public function execute()
                 $this->messageManager->addSuccessMessage(__('You saved the customer group.'));
                 $resultRedirect->setPath('customer/group');
             } catch (\Exception $e) {
-                $this->messageManager->addErrorMessage($e->getMessage());
+                $this->messageManager->addError($e->getMessage());
                 if ($customerGroup != null) {
                     $this->storeCustomerGroupDataToSession(
                         $this->dataObjectProcessor->buildOutputDataArray(