* obsoletes:
Remove old and crusty zenirc pkg
Remove xetla pkg
Remove nonfree old and crusty vc-cc pkg
Remove old and crusty tooltalk pkg
Remove old and crusty Sun pkg
Remove riece, making way for new subtree Riece pkg
Remove obsolete liece pkg
Remove Gnus, making way for new subtree Gnus pkg
Remove non-free old and crusty clearcase pkg
Remove incompatible build pkg