[w3c/webauthn] 5b98d1: Fix initial part of step 18 of credentials.get()

  Branch: refs/heads/issue-184
  Home:   https://github.com/w3c/webauthn
  Commit: 5b98d1d052cede8dcb2d06f94b75b19a276d29b6
      https://github.com/w3c/webauthn/commit/5b98d1d052cede8dcb2d06f94b75b19a276d29b6
  Author: Emil Lundberg <emil@yubico.com>
  Date:   2017-11-13 (Mon, 13 Nov 2017)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  Fix initial part of step 18 of credentials.get()


  Commit: 18847d55a42c92eec4ed13530edee49f0d28a3a8
      https://github.com/w3c/webauthn/commit/18847d55a42c92eec4ed13530edee49f0d28a3a8
  Author: Emil Lundberg <emil@yubico.com>
  Date:   2017-11-13 (Mon, 13 Nov 2017)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  Wait for lifetimeTimer to expire instead of issuedRequests to be empty

The previous language would have the procedure terminate as soon as
there are no pending authenticator requests - including immediately at
the beginning unless at least one authenticator is available at that
time.


  Commit: 3a8f961db57f935d7f07312ac3aa1f1e69d26b98
      https://github.com/w3c/webauthn/commit/3a8f961db57f935d7f07312ac3aa1f1e69d26b98
  Author: Emil Lundberg <emil@yubico.com>
  Date:   2017-11-13 (Mon, 13 Nov 2017)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  Add privacy consideration about terminating getAssertion early


Compare: https://github.com/w3c/webauthn/compare/5b98d1d052ce^...3a8f961db57f