Make BTRFS user selectable.  Compile with btrfs enabled if use defines USE_BTRFS=1
Make BTRFS user selectable.  Compile with btrfs enabled if use defines USE_BTRFS=1

pault84/openstorage,libopenstorage/openstorage,libopenstorage/openstorage,ModelRocket/openstorage,pault84/openstorage,pault84/openstorage,libopenstorage/openstorage,ModelRocket/openstorage