It was using wrong size variable (and consequently too big)

Disable COM_RC_IN_MODE magic handling, as its causing confusion on all autopilot stacks. This is a developer thing which is actually much easier to not expose, even for the involved developers.

Fix the corner case of a system running on localhost using the network and the loopback address in parallel. Force it onto the loopback interface.

Instead us a Toolbox concept which hangs off of QGCApplication