Selectable autonomous for each defence

Merge pull request #8 from NicoletFEAR/SelectableAuto

Merged multiple autonomous commands

Drive-ability Improvements

Changed B button Speed, and arm up and arm down speed and buttons

B button speed from .5 to .75
Switch button controller LB and RB
arm speed for up arm and down arm changed from negative to positive and
positive to negative

Tank Drive and Basic Game Mech Functionality

Contains tank drive and game mech code. Doesn't contain intake limit switch or potentiometer code.

TankDrive-V1

Drive code added for four CANTalons. It runs successfully on Duct Tape Scorpion.