added new param-editing to APs and Beacons

changed drawing for better debuging
changed layer editing
option to add and delete layers
some minor changes

MainWindow.h

@@ -12,6 +12,7 @@ class ElementParamWidget;
 class LayerParamWidget;
 class ActionWidget;
 class ToolBoxWidget;
+class LayerTree;
 
 namespace Ui {
 	class MainWindow;
@@ -32,9 +33,7 @@ public:
 	LayerParamWidget* getLayerParamWidget() {return layerParamWidget;}
 	ToolBoxWidget* getToolBoxWidget() {return toolBoxWidget;}
 	ActionWidget* getActionWidget() {return actionWidget;}
-
-
-	QTreeView* getTree();
+	LayerTree* getTree() {return layerTree;}
 
 signals:
 
@@ -47,7 +46,7 @@ signals:
 
 private:
 	Ui::MainWindow *ui;
-	QTreeView* layerTree;
+	LayerTree* layerTree;
 	MapView2D* mapView2D;
 	MapView3D* mapView3D;
 	ElementParamWidget* elementParamWidget;