fix build dependencies of debian package
use modern debian build tools
use dh_python for python application installation
change optional debian suggests to recommends
prefer python-lzma over p7zip on debian
add optional import python-opengl to debian recommends
add debian mupen64plus packages as recommended dependency
cleanup debian build path before trying to build again
clean debian build before and after the build for pristine builds
skip building of unused debian diff tarballs to avoid source tarball dependency
install upstream changelog with debian package
automatically generate debian version number from m64py source
don't check for game volti in debian menu
add correct path to icon for debian menu
use unversioned python dependency to allow very old debian systems
compress debian package only with gzip for older systems
Merge pull request #6 from fayvel/debian

dist/debian modifications for better debian package building