Installation: Add Pivotal Tile
Add Pivotal Cloud Foundry Tile to official installation methods, considering that build-team actually maintains it.
Applies to https://gitlab.com/gitlab-org/omnibus-gitlab/issues/2007
cc @stanhu
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Add Pivotal Cloud Foundry Tile to official installation methods, considering that build-team actually maintains it.
Applies to https://gitlab.com/gitlab-org/omnibus-gitlab/issues/2007
cc @stanhu