Expose artifacts path
This fixes broken artifacts storage path.
Fixes #3607 (closed) Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/3608
Related: https://gitlab.com/gitlab-org/omnibus-gitlab/merge_requests/544
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This fixes broken artifacts storage path.
Fixes #3607 (closed) Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/3608
Related: https://gitlab.com/gitlab-org/omnibus-gitlab/merge_requests/544