Update the copyright in the Config.php

Update the copyright notice in the config.php file so that it makes the current year.

Author: dmanners

lib/internal/Magento/Framework/View/Page/Config.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * Copyright © 2013-2017 Magento, Inc. All rights reserved.
+ * Copyright © 2013-2018 Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */