Merge pull request #206 from ywarnier/204

Update CHANGELOG.md to note non-maintained state - refs #204

Author: hajekj

CHANGELOG.md

@@ -1,5 +1,5 @@
 # Changelog
-All Notable changes to `oauth2-azure` will be documented in this file
+This file is not actively maintained. All Notable changes to `oauth2-azure` are documented at https://github.com/TheNetworg/oauth2-azure/releases 
 
 ## v1.0.0 - 16NOV2015
-- Initial release
+- Initial release