a whole lotta work!!

- refactoring
- completely changed the tooling (adding elements)
- better re-use for more stable editing
- new elements
- ui adjustments
- LINT for stair-editing
- many more changes

mapview/model/MMFloorObstacleDoor.h

@@ -2,13 +2,13 @@
 #define MMFLOOROBSTACLEDOOR_H
 
 #include "MapModelElement.h"
-#include "../elements/MapViewElementHelper.h"
+#include "../2D/MapViewElementHelper.h"
 
 #include "IHasMaterial.h"
 #include "IHasDoorType.h"
 #include "IHasParams.h"
 
-#include "../elements/MV2DElementFloorObstacleDoor.h"
+#include "../2D/MV2DElementFloorObstacleDoor.h"
 #include "../3D/MV3DElementFloorObstacleDoor.h"
 
 #include <Indoor/floorplan/v2/Floorplan.h>