[webauthn] new commits pushed by selfissued

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

* Add instructions for passing unknown extensions to authenticators (#789)

* Add instructions for passing unknown extensions to authenticators

* Applied editorial suggestions by Adam Langley and Jeff Hodges

* Add note about possibly implementing pass through under a feature flag
  by Mike Jones
https://github.com/w3c/webauthn/commit/4dbc3af9d0aebad6bf87448a15574c36600c322b

Received on Monday, 12 February 2018 20:24:27 UTC