[Fluxus] osx commits

[Dave Griffiths]

>
> ive committed a few small changes to get fluxus compiling again on
> osx. for now, libfluxus and the modules are compiling, but ive not
> tested them yet. also, ive not really looked at the fltk stuff for the
> GUI, but it seems like it could work...
>

fltk stuff? ah - GUI.h/cpp, these haven't been built in years, my fault
they have been carried around like junk dna...

the fluxus scratchpad only needs glut/glu/gl/libfreetype to build

cheers,

dave