Un-working code from my attempt to display invites.
Merge branch 'develop' into feature/display-invites

-   threebean may have resolved the issue I was having with the assertion resource
Should be self.request.
Space those invitations.
Cleanup.
Only display invitations which have not yet expired.
Merge branch 'develop' into feature/display-invites
Use parsed dates when creating new invitations.
Use correct resource_url when doing login redirection for invitations.
Update invitation code to use the latest tahrir-api.
Remove hardcoded redirect after invitation is claimed.
Add some TODO notes.
Merge branch 'feature/display-invites' into develop