update the container push to only pull w/ dlrn_hash
update the container push to only pull w/ dlrn_hash

At the moment the container pull commands
pull tripleo-ci-testing from from the rdo
registry.  We have abandoned the tag on
containers and will only use hash
in the rdo registry.  The current-tripleo
and other labels will still be available
on docker.io

print out a little debug info

Change-Id: Ia7ee79e6e85102d8b332dc731c617a3567c9a36d

redhat-openstack/rdo-infra,redhat-openstack/rdo-infra,rdo-infra/ci-config,rdo-infra/ci-config,redhat-openstack/rdo-infra,rdo-infra/ci-config,rdo-infra/ci-config,redhat-openstack/rdo-infra