OP-706 Added information about if an UAVO is known or not on the flight/remote side of GCS.
OP-706 Added support for visualizing unknown objects in UAVO browser.
Added settings for unknown object color to configuration and configuration GUI.
Merge remote-tracking branch 'origin/next' into thread/OP-706_Unknown_Flightside_UAVO
OP-706 Uncrustify
Conflicts:
	ground/openpilotgcs/src/plugins/uavobjectbrowser/uavobjectbrowserconfiguration.cpp
	ground/openpilotgcs/src/plugins/uavobjectbrowser/uavobjectbrowserwidget.cpp
	ground/openpilotgcs/src/plugins/uavobjectbrowser/uavobjectbrowserwidget.h
Merge remote-tracking branch 'origin/next' into thread/OP-706_Unknown_Flightside_UAVO
OP-706 Added isKnown to UAVObject with signal on change.
OP-706 Added code to handle isKnown for requested and retrieved UAVObjects.
OP-706 Added support for isKnown for Settings objects in UAVOBrowser.
OP-706 Fixed an issue with metadata tree nodes not showing correct known statux.
OP-706 Removed debug define left in by mistake.
OP-706 Removed some obsolete includes and methods.
Merge remote-tracking branch 'origin/thread/OP-706_Unknown_Flightside_UAVO' into next