Hide passwords to non-admin users in the services API
This MR is based on https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/1546 The reasons to create a separate one are: absence of CI result, conflicts.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This MR is based on https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/1546 The reasons to create a separate one are: absence of CI result, conflicts.