Included new driver version 1.2 for HP 850 printers and related ...
See: http://bonk.ethz.ch/hp850/hp850.html
Additional driver will be fetched directly from internet now
Because this driver source is packed as a .zip file (tada *sigh*)
and contains ^M's (where the combination \^M confuses gcc) we have
to BUILD_DEPEND on unzip and pipe the source and header files through
sed to wipe out the ^M's ...
As requested by: Lars Koeller