[webauthn] new commits pushed by equalsJeffH

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

* attachment terminology refinement
  by JeffH
https://github.com/w3c/webauthn/commit/4fb85b0f0a1f7a1be8755653af81ee31d0dd7d84

Received on Tuesday, 13 December 2016 00:46:03 UTC