[w3c/webauthn] 9a3e24: Make UP and UV independent again

  Branch: refs/heads/issue-644
  Home:   https://github.com/w3c/webauthn
  Commit: 9a3e24b09fc2c7bffa200131d7ef3bf70335f946
      https://github.com/w3c/webauthn/commit/9a3e24b09fc2c7bffa200131d7ef3bf70335f946
  Author: Emil Lundberg <emil@yubico.com>
  Date:   2017-11-08 (Wed, 08 Nov 2017)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  Make UP and UV independent again