Here is how the current gluegen2 orig tarball was created:

- Update debian/changelog for the new target verison.
- Use the debian/rules get-orig-source target to retrieve and repack
  the gluegen orig tarball.
- Extract the gluegen orig tarball.
- Retrieve the sources for jcpp from:
  http://jogamp.org/deployment/jogamp-current/archive/Sources/
- Extract the jcpp sources into the gluegen tarball.
- Repack as gluegen2_xxx.orig.tar.gz 
