[webauthn] new commits pushed by emlun

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

* Replace old <dfn>s with links
  by Emil Lundberg

* Eliminate <dfn> for "No attestation statement"

Since its text never appears again in the document, change the one link
to it to point to <dfn>None</dfn> instead.
  by Emil Lundberg

* Add link to "none" attestation statement format from None attestation type
  by Emil Lundberg

Received on Monday, 11 June 2018 10:36:36 UTC