[w3c/webauthn] ce9b8e: Update index.src.html

  Branch: refs/heads/Issue-70
  Home:   https://github.com/w3c/webauthn
  Commit: ce9b8e9fe9fffc41edbb672c5b11049e5064c69c
      https://github.com/w3c/webauthn/commit/ce9b8e9fe9fffc41edbb672c5b11049e5064c69c
  Author: levangongPayPal <hlevangong@paypal.com>
  Date:   2016-04-13 (Wed, 13 Apr 2016)

  Changed paths:
    M index.src.html

  Log Message:
  -----------
  Update index.src.html

I've reverted to 'registration' - I still think the idea of referring to the Registration section is good. Is there a way to refer to it by section number and not section title?