The deploy image is required in two places in an ironic deployment,
first as images uploaded to glance for the ironic service, and second
as files on a web server for the ironic-inspector service.
Previously this role only placed the deploy images on the ironic
inspector web server, but this patch provides the functionality to
also upload the images to glance.
The variables for ironic deploy image source locations are
consolidated so that only one set are required to run the tasks
for both ironic and ironic-inspector, and several overrides are
available allowing the source to be overidden to a local mirror
easily.
Finally - the name of the files placed on the inspector web server
and into glance represent the upstream name of the image files rather
than generic names which lose versioning and release information.
Change-Id: I1aed9d97a4ddbfb70d2375f5204c55374d1067c9
b974a6c0e0