Added additional config environmental variables to help Debian packaging
- GITLAB_EMAIL_FROM
- GITLAB_EMAIL_DISPLAY_NAME
- GITLAB_EMAIL_REPLY_TO
This is a followup on https://gitlab.com/gitlab-org/gitlab-ce/issues/3717
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This is a followup on https://gitlab.com/gitlab-org/gitlab-ce/issues/3717