Hotfix: Fixed widget / UAS initialization order which led to text messages (and other updates) being ignored if the widget was not open when the UAS was created

Changes for new calibration in APM 3.0 (Re: https://github.com/diydrones/MissionPlanner/issues/38), and change in some of the serial timeouts

This will be removed once APM updates to support MAVLink
parameters properly.

First stab at JSBSim interface, compiling, operational, but needs the correct startup folders and arguments

Implementation of 6DOF 3DMouse input (Windows only). Not tested yet.

transmit properly.