New MultiVehicleManager, Vehicle objects

set QGC version from git

QGC bugfixes 

- MultiVehicleManager is a Qml friendly replacement for UASManager
- Vehicle is a replacement for both UAS and AutoPilotPlugin

New FirmwarePlugin support

This can only come from the heartbeat

- FirmwarePlugin is the new place for code which is specific to
firmware flight stack
- FirmwarePlugin currently supports flight mode apis
- Modify code to use new FirmwarePlugin support

--fake-mobile command line support

Clean up noisy Airframe meta data logging

Param reset

Modeless messages

Also fixed case where UASMessageHandler reported errors but walking
list turned up no errors

Queue delayed window close if open connections

Warning color