This change combines the previous puppet and docker files into a single
file that performs the docker service installation and configuration.
With this patch the baremetal version of cinder services has been removed.
Change-Id: I88f047a8ee9c3eed80e4c48ed9cabdb3035d518b
Related-Blueprint: services-yaml-flattening
This change adds a new define for cinder::backend::dellemc_vmax_iscsi
Change-Id: I7c685e0a3186da138964f17b487fb0c3533f58c7
Implements: blueprint dellemc-vmax-isci