Partially implements bp interim-glance-authz-service.
This checks basic image operations: get_images, get_image,
add_image, modify_image, delete_image. It looks for a
policy json file next to our config files.
Change-Id: I07f29c11934c68d38a6bdadd39f9dc841b61648a
This simplifies a number of Jenkins jobs which currently, other
than directory names, could be the same for all OpenStack
projects. By renaming the virtualenv directory, the redundant
Jenkins virtualenv build and copy jobs can be eliminated.
Change-Id: I7916783d863e5184bad8293c3aed5ba119e374a9