MAGETWO-65470: The visibility conditions improvements

Static fixes.

Author: valdislav

lib/internal/Magento/Framework/View/Layout/Condition/Condition.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * Copyright © 2013-2017 Magento, Inc. All rights reserved.
+ * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
 namespace Magento\Framework\View\Layout\Condition;