Made it so that joystick values will not be sent out during calibration.

src/Joystick/Joystick.cc

@@ -445,7 +445,7 @@ void Joystick::run(void)
             }
         }
 
-        if (_activeVehicle->joystickEnabled() && _calibrated) {
+        if (_activeVehicle->joystickEnabled() && !_calibrationMode && _calibrated) {
             int     axis = _rgFunctionAxis[rollFunction];
             float   roll = _adjustRange(_rgAxisValues[axis], _rgCalibration[axis], _deadband);