006.02 folded in latest motate changes
006.03 some cosmetic changes to collect motate definitions into system.h; clean up stepper.cpp
Cleanup formatting.

What keeps messing up the indents?!
Merge branch 'alden' into rob

Conflicts:
	TinyG2/motate/utility/SamTimers.h
	TinyG2/stepper.cpp
	TinyG2/tinyg2.h