Initial module for XFS support
Removed dead code
Added error processing on wrong partition
Moved XFS module to the right place.
Added XFS dump support
Move general verification to a separate function
Use verification function
Add XFS space estimation function
Added list of all known XFS disks
Added path validation constraint
Added basic mkfs for XFS
Bugfix: proper command debug printing
Added xfs.mkfs documentation for all supported options.
Added all xfs.mkfs options support (except protofile)
Proper blkid output parsing
Added XFS filesystem modification
Added XFS defragmentation
Proper company name in licence
Removed dead code
Added XFS inventory dump record delete (by UUID)