[webauthn] new commits pushed by leshi

The following commits were just pushed by leshi to 
https://github.com/w3c/webauthn:

* Adding u2f appid extension

Closes Issue #216
  by Alexei Czeskis
https://github.com/w3c/webauthn/commit/989f52ea5390ec7d41e28bd3b0bebb4396b3e967

Received on Wednesday, 5 October 2016 04:00:38 UTC