
Packstack has traditionally allowed multinode deployments with 1 controller, one or more network nodes and several compute nodes, but this has never been properly tested in our CI. This job enables an option to use a 2-node architecture, with one controller and one compute node. It adds a job running scenario002, but enables scenario001 and scenario003, so they can be used on demand if needed. Change-Id: Ide96a232c902370f3ec25ed54f2b272cc1757dad