blueprint nova-image-cache-management phase1
blueprint nova-image-cache-management phase1

Phase 1 of the image-cache-management blueprint. Implement
checksumming and verification of base images, as well as
removal of base images which are not in use. Removal is
enabled with a flag.

Change-Id: Ib04a02075a103c2fef6716fd0ac87c41a3535d37

openstack/oslo.versionedobjects,citrix-openstack-build/oslo.versionedobjects