Drive straight works in arcade

PID to be tuned
Changed nothing

Git won't let me switch branches without committing because it says I
changed the autonomous
Merged Intake and Tusks

Merged intake and tusks classes. Added logic to stop roller motor as
soon as arms lower
Fixed drivetrain driving
Added analog sensor inputs

Arduino output and pressure sensor
Pneumatics tested

All solenoids changed to doublesolenoids
Auto with shooting
Drives straight and shoots succesfully
Added safety measures

If shooter not cocked, intake closes and roller doesnt move. If trying
to cock shooter and high goal not engaged, engage high goal.
Merge branch 'silut'