major speedup, correctness, text reflow now 100% working

As a result of the preceeding slew of patches...

  wget http://www.megacz.com/tmp/ibex.jar
  wget http://www.megacz.com/tmp/main.t
  java -jar ibex.jar .

Damn fast for AWT.  I should try to get the OpenGL Darwin build
running again; I bet it will reflow faster than Safari.

BTW, when I post binaries, you should always assume that the code is
in darcs (or will be there in the next couple of minutes) unless I
state otherwise.

  - a

-- 
"It's lucky," he added, after a pause, "that there are such a lot of
islands in the world.  I almost envy you, Mr. Watson."

                                                   -- Mustapha Mond