Working on gyro code for the elevator.
Commented unused variables
Requiring drivetrain on all arms commands to avoid conflicts.
Adding debugging printf's
Changed pusher commands to not use sensor inputs at this time.
A few joystick button reassignments for testing purposes.
IMPORTANT.  PowerTakeOff setting needed to be reversed.
IMPORTANT

Fixed a null pointer that required DriveTrain to initialize before the Arms

Set the pusher values to initialize in the TeleopInit.
Some code changes to place powerDriveTrain to ensure we're not unintentionally moving the arms.
Using a linear mapped Z axis (throttle) value for the shooter motor speed.
made notes for all listed Coomands and Subcommands
Merge pull request #19 from toastertaster/master

Many changes from debugging on 2/19