Initial Attempt at a basic tank drive
Undid last Commit
Added basic ControlSystem files
Added method to check button status
Added missing return
Added update methods, ability to drive w/ doubles
Added ability to set motor ports in constructor
Moved RobotDrive and it's functions into Drivebase
Added method to get axis as a double

This can then be passed into the updateDriveBase function with a double
for each side. Note: It may be better to look into the getX() and getY()
methods.
Merge pull request #9 from DevilStormRobotics/MovementImplementation

Pull 'Movement implementation' branch into master