Version 1.3 release.

Updates CHANGELOG, version, docs.
diff --git a/LICENSE b/LICENSE
index d04d080..2987b3b 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
- Copyright 2014-2014 Google Inc. All Rights Reserved.
+ Copyright 2014 Google Inc. All Rights Reserved.
 
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.