Include CONTRIBUTING.md file when importing .gitlab-ci.yml templates
This is a second step after https://gitlab.com/gitlab-org/gitlab-ci-yml/merge_requests/67 to solve problem described in https://gitlab.com/gitlab-org/gitlab-ci-yml/issues/22
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This is a second step after https://gitlab.com/gitlab-org/gitlab-ci-yml/merge_requests/67 to solve problem described in https://gitlab.com/gitlab-org/gitlab-ci-yml/issues/22