[webauthn] new commits pushed by equalsJeffH

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

* add domain-only rationale in two places
  by JeffH
https://github.com/w3c/webauthn/commit/2ceeb78e7a04b4e74552976b489e2e02d96dab17

Received on Thursday, 28 June 2018 18:47:29 UTC