[Libvirt-cim] [PATCH 0 of 4] #2 Add reference validation to VSMigrationService and VSMigrateCap.

More reference validation updates. This patch set is dependent on the get_vsm_cap() reference validation set. See commit logs for updates from set 1 to set 2: -Add reference validation to get_migration_service() - Add support for ref checking to VSMigrationCapabilities