Merge pull request NativeScript#17 from NativeScript/etabakov/update-license-year

update LICENSE year

Author: etabakov

LICENSE

@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright (c) 2015-2018 Progress Software Corporation
+   Copyright (c) 2015-2019 Progress Software Corporation
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.