Include new field on Realm to control whether e-mail invitations are required
separately from whether the e-mail domain must match.
Allow control of these fields from admin panel.
Update logic in registration page to use these fields.
(imported from commit edc7f0a4c43b57361d9349e258ad4f217b426f88)
Previously, while you'd get the event saying you'd been knighted,
which would make the Administration tab visible, clicking on the tab
would error out because the admin page HTML was never sent over on
page load (since you weren't an admin at that point).
(imported from commit 90ad351533515bebece630d67baf4b142d320754)
David Roe
Waseem Daher
Waseem Daher
Steve Howell
Jessica McKellar