[fluxus] more cvs commits

[dave griffiths]

* no more portaudio! fluxus now uses jack directly. for the moment,
match your (start-audio) settings with the jack server settings.

* (smoothing-bias) a kind of weighted average for the harmonic bands
which smooth them out over time. this setting was hardcoded before (to
1.5) but the best setting really depends on the quality of the music,
and ranges from 0 -> 2. it's obvious if you give it a try with the
bars.scm script

* (grab)/(ungrab) might be a bit safer - they were causing crashes when
mismatched sometimes.

cheers,

dave