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

tree/MapTreeModel.h

@@ -25,6 +25,10 @@ public:
 
 	virtual ~MapTreeModel() {;}
 
+	MapModel* getMapModel() {
+		return mdl;
+	}
+
 	virtual QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const override {
 
 		MapLayer* _parent = nullptr;