[webauthn] new commits pushed by WebAuthnBot

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

* Built by Travis-CI: 14c2733ca6a4a9568e4c48fef1b870448818e811 fix proper subset tweak (#542)
  by Travis-CI
https://github.com/w3c/webauthn/commit/515acc0c224873bbfc3145b2e7b776f8676aa535

Received on Friday, 1 September 2017 22:01:01 UTC