Regenerate original tarball removing files provided under proprietary licence. (Closes: #614390) They were not actually used. Mention removed files in the debian/copyright.
This package uses quilt for upstream source code patch management. Please read /usr/share/doc/quilt/README.source for more information how to apply, unapply, add, modify or remove patches. Please note that /usr/share/doc/quilt/README.source is only available in quilt version 0.46-4.1 or later.