Merge pull request elastic#602 from fxdgear/nick/bump_year

bump year to 2017

Author: GlenRSmith

README

@@ -114,7 +114,7 @@ The client's features include:
 License
 -------
 
-Copyright 2015 Elasticsearch
+Copyright 2017 Elasticsearch
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.