Fixed issue where email address was missing from API calls.
The email address attribute was missing from group and project memberships, this used to appear on a previous release and this pull request is just adding the attribute back in.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
The email address attribute was missing from group and project memberships, this used to appear on a previous release and this pull request is just adding the attribute back in.