Planned Home Position support

src/FlightMap/FlightMap.qml

src/FlightMap/MapItems/MissionItemView.qml

src/FlightMap/MapItems/MissionLineView.qml

src/MissionEditor/MissionEditor.qml

src/MissionEditor/MissionItemStatus.qml

src/MissionManager/MavCmdInfoCommon.json

src/MissionManager/MissionController.cc

src/MissionManager/MissionController.h

src/MissionManager/MissionControllerTest.cc

src/MissionManager/MissionControllerTest.h

src/MissionManager/MissionItem.cc

src/MissionManager/MissionItem.h

src/MissionManager/MissionItemTest.cc

src/MissionManager/MissionManagerTest.cc

src/QGCApplication.cc

src/QGCApplication.h

src/QmlControls/MissionCommandDialog.qml

src/QmlControls/MissionItemEditor.qml

src/QmlControls/QGroundControlQmlGlobal.h

src/Vehicle/Vehicle.cc