Buffer git-receive-pack responses
This allows us to respond with HTTP 500 instead of 200 when a 'git push' is rejected by the server.
Follow-up to https://gitlab.com/gitlab-org/gitlab-workhorse/merge_requests/38
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This allows us to respond with HTTP 500 instead of 200 when a 'git push' is rejected by the server.
Follow-up to https://gitlab.com/gitlab-org/gitlab-workhorse/merge_requests/38