added some functions
Merged?
Added code for setting motor speed.  everything is merged from master
merged master
Initial commit
Added usonic section&library
Replaced tab in main.ino with 2 spaces
Working servo/ultrasonic sensor demo
Added framework for serial commands & pushbutton
added LED brightness sensing

This is to be tied into aaron's stepper motor
added documentation for LED sensor
Flipped brightness 0-dark 100-bright
Added Processing GUI with sensor readings

Updated readme, flipped brightness value to 0-dark 100-bright.
readme cleanup
Fix to libraries
encoder working
Encoder & Velocity & Gui working
minor line
Merged shawn's code in slightly
working gui dc velocity control