Update the references to the script and refer to it from the installation manual.
After accepting https://github.com/gitlabhq/gitlabhq/pull/1318 the references can be updated.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
After accepting https://github.com/gitlabhq/gitlabhq/pull/1318 the references can be updated.