new threshold for front sensor
Merge branch 'master' of https://github.com/acutkosky/robot

Conflicts:
	driver.h
Merge branch 'master' of https://github.com/acutkosky/robot
Merge branch 'master' of https://github.com/acutkosky/robot
Merge branch 'master' of https://github.com/acutkosky/robot
Merge branch 'master' of https://github.com/acutkosky/robot
Merge branch 'master' of https://github.com/acutkosky/robot