autotest/tp-libvirt — pull request #369 by waynesun09 (2014-11-12 10:31:43+00:00)
Title: Add gluster network disk snapshot cases

Replace domain disk with gluster network disk, then do snapshot, including:
- external disk snapshot to local file
- external disk snapshot to glusterfs target file
- system checkpoint (external snapshot with both mem and disk) snapshot
- multiple disk snapshots with one as gluster network disk