Groundwork for Kerberos SPNEGO (EE feature)
Refactor Projecst::GitHttpController to allow Kerberos integration in GitLab EE.
Companion to https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/509
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Refactor Projecst::GitHttpController to allow Kerberos integration in GitLab EE.
Companion to https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/509