Updates required to support btrfs subvolumes at recovery time
Fixes required for issue #233
Tested with fedora 19 beta release.
Will keep it open 'till proven it works like a charm
Use POSIX output format for disk usage
Merge pull request #249 from domibarton/master

POSIX output format in df.txt

This fixes #248 .
Example prep script to detect missing lftp.
This script is linked to isseu #247
Merge remote-tracking branch 'upstream/master'