[webauthn] new commits pushed by WebAuthnBot

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

* Built by Travis-CI: 848659eb2d3c115ad22883eb2dd70c0413de9639 Merge pull request #861 from w3c/issue-857-u2f-attestation-verification
  by Travis-CI
https://github.com/w3c/webauthn/commit/56a03104bef3f7045ad918a4e15cee95a3acf552

Received on Wednesday, 2 May 2018 11:02:45 UTC