[CM] Snd 8.4

[Bill Schottstaedt]

Snd 8.4

many ruby, forth, and sndins-related improvements from Mike including new file: analog-filter.rb.
  "scheme" instead of "guile" in various names in inf-snd.el (for gauche)

improvements in strad.ins and bandedwg.ins from Juan Reyes

snd_frg.scm thanks to Olivier Doare

I was mainly fixing bugs -- my TODO list has only 97 entries!

granulated-sound-interp (examp.scm)

display-bark-fft (dsp.scm) -- spectral display using bark, erb, and mel scales

def-optkey-instrument (ws.scm)

new optional argument to graph -- lisp graph axis choice
new axis choice --show-bare-x-axis
snd-color
snd-font
after-lisp-graph-hook
removed vu-font and vu-size, added vu-in-dB
removed spectrogramColor X resource

checked: ruby 1.8.5, sbcl 0.9.15|16, gtk 2.10.2|3, fth 0.10.22

Thanks: Mike Scholz, Anders Vinjar, Kjetil Matheussen, Bill Sack, Pam & Harold Norris,
    Juan Reyes, Daniel Stahl, Michael Edwards, Carlos Pita


sourceforge seems to be unresponsive right now, so I'll deal with it and
freshmeat tomorrow.