Add EE dispatcher
We should add an EE dispatcher and document it.
Draft: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/1897
Edited by Luke "Jared" Bennett
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
We should add an EE dispatcher and document it.
Draft: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/1897