2 * figure out where the frame perimeter starts, and where the arm is mounted
4 * find out actual arm and hand length, as well as the height at which the arm
6 * for getArmHorizontalDisplacement figure out if measurements are all in
8 * Constants for OI - a lot end in _port but should end in _button
9 * Change input for recordPotAngle button from simple numbers to constants that
10 are declared in Constants.java
15 * change arm and hand to "armHorizontal/armVertical" and "handHorizontal/
17 * change method "getArmHorizontalDist" to "getArmHorizontalDisplacement"
18 * change method "getArmHeight" to "getArmVerticalDisplacement"