Add example deploy all available playbook
Add example deploy all available playbook

Adding an example playbook that utilizes the dynamic inventory
to permit a user to deploy all available nodes in the inventory.

Change-Id: I6978ae4565890b5a9a8d75f064cfcc147e067843
Depends-On: I7155de8ec9a4123e16a9f9925a66ee12adfc9c28

EntropyWorks/bifrost,devananda/bifrost,EntropyWorks/bifrost,bcornec/bifrost,openstack/bifrost,devananda/bifrost,openstack/bifrost,bcornec/bifrost