Add link to DB load balancing docs in gitlab.rb.template
Working on https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/2342, I found out we don't mention how to configure this for Omnibus.
Edited by Achilleas Pipinellis
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Working on https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/2342, I found out we don't mention how to configure this for Omnibus.