nq, with the exception that some things were removed and others added. I
could have merged this, but I don't feel the system's ready for merging at
the moment. The quakefs code needs a bit of a cleanup and a tuneup before
it goes common. Like so many other things, that's dependant on other bits
of the puzzle being completed first.
defaults in non-win32 targets. BASEDIR/SKINBASE are gone and the Cvars
which use them in the code are just given the oldstyle defaults now. Use
of "base" is gone. It was a half-assed solution to a problem that doesn't
exist yet. When it finally does exist, we'll fix it right.
