! document.forms doesn't always behave, and just for fun, some of the markup has changed, so let's get that all consistent.

Signed-off-by: Peter Spicer <sleeping@myperch.org>
! And let's use our nice (?) icon instead of (?)

Signed-off-by: Peter Spicer <sleeping@myperch.org>
! Should allow admins to disable OpenID for new users but prevent breaking existing logins. (fixes #847) Note: my testing on this has been fairly limited. But it doesn't seem to break anything.

Signed-off-by: Peter Spicer <sleeping@myperch.org>