WIP Making it possible to have a build without Airmap

QGCExternalLibs.pri

qgcresources.qrc

qgroundcontrol.pro

qgroundcontrol.qrc

src/Airmap/AirMap.SettingsGroup.json

src/Airmap/AirMapManager.cc

src/Airmap/AirMapManager.h

src/Airmap/AirMapSettings.cc

src/Airmap/AirMapSettings.h

src/Airmap/AirspaceController.cc

src/Airmap/AirspaceController.h

src/Airmap/AirspaceManagement.cc

src/Airmap/AirspaceManagement.h

src/Airmap/airmap.qrc

src/FlightDisplay/FlightDisplayView.qml

src/FlightDisplay/FlightDisplayViewMap.qml

src/MissionManager/GeoFenceManager.cc

src/MissionManager/GeoFenceManager.h

src/MissionManager/PlanManager.cc

src/QGCApplication.cc