OP-1504 Added VehicleName field and started to add GUI support.
OP-1504 Added VehicleName to SystemSettings and a GUI in Vehicle configuration to set it.
The name is restricted to 20 chars to save resources.
OP-1504 Fixed some compiler warnings and uncrustified code.
OP-1504 Fxed a small issue with tab index.
Merge remote-tracking branch 'origin/next' into thread/OP-1504_Vehicle_Name_Setting

Conflicts:
	ground/openpilotgcs/src/plugins/config/stabilization.ui
Merge branch 'thread/OP-1504_Vehicle_Name_Setting' into next