Run docker-puppet.py in debug mode.
Run docker-puppet.py in debug mode.

Allow running docker-puppet.py in
debug mode, depending on the value
of the ansible variable docker_puppet_debug.

This variable takes its value from DockerPuppetDebug,
which is set to true in the env file
environments/config-debug.yaml.

Change-Id: I7c88aa22dce3396c6a79843ac13db479ed987f9d

dprince/tripleo-heat-templates,dprince/tripleo-heat-templates,openstack/tripleo-heat-templates,openstack/tripleo-heat-templates