Port: Add additional user and email services from CE
Port of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12125 from CE
This is part of https://gitlab.com/gitlab-org/gitlab-ee/issues/1370 and necessary in order to add the audit events.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Port of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12125 from CE
This is part of https://gitlab.com/gitlab-org/gitlab-ee/issues/1370 and necessary in order to add the audit events.