[webauthn] new commits pushed by vijaybh

The following commits were just pushed by vijaybh to 

* Allow caller to explicitly specify its claimed RP ID

Alternative to #162 as suggested by @balfanz. This change also gets 
of references to PSL and eTLD+1, replacing them with references to the
HTML specification instead.
  by Vijay Bharadwaj

Received on Wednesday, 14 September 2016 06:23:40 UTC