[CM] rts and supercollider

[taube@uiuc.edu]

depending on what verions of cm etc you may have to do (use-system :osc) first.

note that the osc, portmidi and midishare systems are being moved to C, this
work is "in progress"  so cvs may or may not work at any given time.
you might want to wait a week or two before you really start a project.

in contrast, rts cvs is more solid than a week ago. michael klingbeil found and
fixed a nasty bug that caused the sceduler to "drift" over periods of time when
 scheduling parallel processes. also sched_rr is now used and default rts thread
priority is  70. you have to update both rts and cm trees. you can also now use
(events) scheduling to write files even while rts is playing. i think michael
also made the spacebar in plotter play mouse selection or whole plot via rts