VR: Remove obsolete controller checking bools that nobody's using
VR: Add IsHandTracked bool to VRController, update fpxr to 5cf7ff24f5b157166102c8e4898bb84b4accb952
VR: Add MotionRange to VRController.GetJoints, update fpxr to 8822f0461709fbd2eda8fe004d51af79d47e6aa9
e.g.
```csharp
Input.VR.LeftHand.GetJoints( MotionRange.Hand ); // default
Input.VR.LeftHand.GetJoints( MotionRange.Controller ); // tries to wrap hands around the controller
```
VR: Better controller interactions in menu, move panel to a more comfortable height