Added regenerate script.
Added ability to specify a time at which to regenerate the file.
Added a statfs function.  Just reflects the condition of the underyling file system.
Updated stats collection.
Savings diffs on the server now appears to work.  Uses librysnc from rdiff_backup.
Reverted the schema to store the name of the backup basis rather than the ID.
Merge branch 'master' of /srv/GITROOT/Tardis

Conflicts:
	Regenerate.py
	TardisClient.py
	TardisDaemon.py