For testing serial motor control.
A bit more cleanup.
Merge branch 'thrusters/serial' into thrusters/test

Conflicts:
	arduino/onboard_controller/onboard_controller.ino
Merge branch 'master' into thrusters/test
Made Comm class self-initialize.
Renamed objects for clarity.
Merge branch 'serial/test' into serial/string

Conflicts:
	processing/control_station/Comm.pde
	processing/control_station/control_station.pde
Cleaned out the serial thread class.
First working event driven comms.
Switched motors to Mega's Serial1.
Minimum functioning code.
Merge branch 'cleanup' into thrusters/test

Conflicts:
	arduino/onboard_controller/onboard_controller.ino
Serial port is automatically identified.
Update README.md
Starting with the IMU.