Use Commit#author so we share logic and cache
This is a follow up from https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/7225#note_17974391
I don't think we need a CHANGELOG for this.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This is a follow up from https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/7225#note_17974391
I don't think we need a CHANGELOG for this.