Also:
* Refactor interacting with a remote event so that you can interact with
a remote group as well
* Add a setting for group admins to pick between an open and invite-only
group
* Fix new groups without posts/todos/resources/events/conversations URL
set
* Repair local groups that haven't got their
posts/todos/resources/events/conversations URL set
* Add a scheduled job to refresh remote groups every hour
* Add a user setting to pick when to receive notifications when there's
new members to approve (will be used when this feature is available)
* Fix pagination for members
Signed-off-by: Thomas Citharel <tcit@tcit.fr>