Updated license header

Author: vladimir-litvinchik

tests/GroupDocs/Viewer/ApiTests/BaseApiTest.php

@@ -2,7 +2,7 @@
 /*
 * --------------------------------------------------------------------------------------------------------------------
 * <copyright company="Aspose" file="BaseApiTest.php">
-*   Copyright (c) 2017 Aspose.Words for Cloud
+*   Copyright (c) 2003-2018 Aspose Pty Ltd
 * </copyright>
 * <summary>
 *   Permission is hereby granted, free of charge, to any person obtaining a copy