[webauthn] new commits pushed by rlin1

The following commits were just pushed by rlin1 to https://github.com/w3c/webauthn:

* introductory para added
  by rlin1
https://github.com/w3c/webauthn/commit/75b7c5c8fd143b6c0ca71478ecc4e78e501f5d76

Received on Tuesday, 30 May 2017 11:07:07 UTC