puppet-ceph beaker jobs adjustments
puppet-ceph beaker jobs adjustments

* on master, run jobs on xenial, with -nv.
* on stable/hammer, run jobs on trusty, with -nv.

When things will be more stable for us, we'll move the jobs into the
gate and drop -nv.

Change-Id: Ifff0847c4866b1a99b78b9773a70f3cda22e1913

openstack-infra/project-config,Tesora/tesora-project-config,openstack-infra/project-config,dongwenjuan/project-config,dongwenjuan/project-config,Tesora/tesora-project-config