Import of lvm2tools 2.03.43 and libdevmapper 1.02.29. Needed to fix 
haad-dm merge, because current lvm2tools sources are broken and will be 
removed.
Import new lvm2tools 2.02.44 version and libdevmapper 1.02.30.
Import of new version of lvm2tools LVM2-2-02-56.