[webauthn] new commits pushed by emlun

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

* Fix reference to U2F user public key format
  by Emil Lundberg
https://github.com/w3c/webauthn/commit/cb84e05c8c58e1aaddd3919891c6a27c17235903

* Improve U2F key reformatting instructions as suggested by @apowers

See https://github.com/w3c/webauthn/issues/857
  by Emil Lundberg
https://github.com/w3c/webauthn/commit/b3411467799aa371bbd6adb6314d733055aa3503

Received on Wednesday, 4 April 2018 14:18:32 UTC