Nuke ctrace entirely; conditionalize tracing on TRACE; other minor cleanups.
Nuke ctrace entirely; conditionalize tracing on TRACE; other minor cleanups.

cemeyer/avr-emu,cemeyer/msp430-emu-uctf,piratejon/msp430-emu-uctf,piratejon/msp430-emu-uctf,nedwill/msp430-emu-uctf