zuul: run TripleO jobs with new zuulv3 layout
zuul: run TripleO jobs with new zuulv3 layout

Configure the layout to execute the scenario001 jobs.
Note that baremetal job will be run on stable/pike and container on
Queens and beyond.

A note has been added in comment explaining more details.

Change-Id: Ibbe35a84a4de14f02d4db0d9d5c7a9b5d01ec8d0

openstack/congress,openstack/congress