[w3c/webauthn] 5438a0: Try out moving to latest copy of bikeshed to avoid...

  Branch: refs/heads/master
  Home:   https://github.com/w3c/webauthn
  Commit: 5438a06a9ffef8f6d1a46da43098432b128920a0
      https://github.com/w3c/webauthn/commit/5438a06a9ffef8f6d1a46da43098432b128920a0
  Author: Vijay Bharadwaj <vijaybh@users.noreply.github.com>
  Date:   2016-09-29 (Thu, 29 Sep 2016)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Try out moving to latest copy of bikeshed to avoid git checkout error (#228)

Also trying latest html5lib

Fixes the TravisCI breaks people have been seeing.