[PlanetCCRMA] audacity, unison

[Fernando Pablo Lopez-Lezcano]

* added audacity, yet another sound editor. It only works with
the OSS audio drivers (or the OSS alsa emulation layer) so it
probably won't be very useful for multichannel cards.

* added unison. This is not an audio related tool and I'm just
testing it. It enables you to synchronize directory trees in
different computers. Very useful (potentially) for ccrmalites
that want to keep their home directories at ccrma in sync with
their laptops. It works across platforms as well.

Thanks to Owen Smith for pointing out small glitches in the
install. Feedback is always appreciated (including pointers to
your favorite apps that are not part of the planet yet - no
promises to include everything, of course :-).

-- Fernando