Support for Gluster based filesystems + ability to init clusters off gluster/nfs volumes when so configured in snaps.yaml
Merge with 97591d486c48044f01f059a10069d03abf8083b0
Merged Nfs and GlusterFS functionality into MountableFS. Removed nfs.py and glusterfs.py.
Fixed incorrect variable name.
Merged in nuwan_ag/cloudman_trunk (pull request #64)

Support for Gluster based filesystems + ability to init clusters off gluster/nfs volumes when so configured in snaps.yaml