Update README copyright

Author: Christopher Jones

README.md

@@ -111,7 +111,7 @@ Oracle gratefully acknowledges the contributions to node-oracledb that have been
 
 ## <a name="license"></a> License
 
-Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
 
 You may not use the identified files except in compliance with the Apache
 License, Version 2.0 (the "License.")