Since initial setup is arguably the hardest part of kolla deployment, let's show people our new plabybook to lower the barrier of entry. TrivialFix Change-Id: I6edf355772b5705207cdecfbe8c45672a63badf0
It was removed in some of patches (probably bad rebase?) TrivialFix Change-Id: Ie9542012c1c6cb0252284196389eb6618862a148