Merge pull request #7818 from Aeronavics/MapProviders

src/Airmap/AirmapSettings.qml

src/FlightMap/FlightMap.qml

src/QtLocationPlugin/BingMapProvider.cpp

src/QtLocationPlugin/BingMapProvider.h

src/QtLocationPlugin/ElevationMapProvider.cpp

src/QtLocationPlugin/ElevationMapProvider.h

src/QtLocationPlugin/EsriMapProvider.cpp

src/QtLocationPlugin/EsriMapProvider.h

src/QtLocationPlugin/GenericMapProvider.cpp

src/QtLocationPlugin/GenericMapProvider.h

src/QtLocationPlugin/GoogleMapProvider.cpp

src/QtLocationPlugin/GoogleMapProvider.h

src/QtLocationPlugin/MapProvider.cpp

src/QtLocationPlugin/MapProvider.h

src/QtLocationPlugin/MapboxMapProvider.cpp

src/QtLocationPlugin/MapboxMapProvider.h

src/QtLocationPlugin/QGCLocationPlugin.pri

src/QtLocationPlugin/QGCMapEngine.cpp

src/QtLocationPlugin/QGCMapEngine.h

src/QtLocationPlugin/QGCMapEngineData.h