[webauthn] new commits pushed by WebAuthnBot

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

* Built by Travis-CI: b455562d9c50af7fca0c753779d80f2c95784447 Merge pull request #910 from kpaulh/trim-extensions
  by Travis-CI
https://github.com/w3c/webauthn/commit/233f4e601e463e17d9482fd9c7e3826e427f7782

Received on Wednesday, 6 June 2018 17:04:25 UTC