Remove old binaries.
Remove archaic build system.
Remove orphaned Gravis UltraSound configuration files.
Remove various pictures.
Remove files concerning MIDI timbre.
There is no toolchain here to do anything useful with them.
Remove remnant of the old build system.
Remove old game configuration files.
These depend on data not included with the source code or are being
distributed with the DOS version.
Remove duplicate Apogee Sound System (ASS) headers.
Remove more duplicate ASS code.
Reorganize ASS directory structure.
Rename GPL text file.
Move documentation to separate directory.