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/3DGrid/GridModel.h

@@ -84,7 +84,7 @@ public:
 		GridFactory<MyNode> fac(grid);
 		fac.build(im, &l);
 
-		Importance::addImportance(grid, 0);
+		Importance::addImportance(grid);
 		//Importance::addImportance(grid, 400);
 
 	}