[w3c/webauthn] 1dc69b: update masthead and acks (#788)

  Branch: refs/heads/master
  Home:   https://github.com/w3c/webauthn
  Commit: 1dc69b110f0851acebc16c5c3bf4f5f4b477ba91
      https://github.com/w3c/webauthn/commit/1dc69b110f0851acebc16c5c3bf4f5f4b477ba91
  Author: =JeffH <mobileuser@kingsmountain.com>
  Date:   2018-02-08 (Thu, 08 Feb 2018)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  update masthead and acks (#788)