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

mapview/3D/MapView3D.cpp

@@ -32,11 +32,12 @@ void MapView3D::initializeGL() {
 
 	QGLWidget::initializeGL();
 
-	//glCullFace(GL_FRONT);
+	glCullFace(GL_FRONT);
+	//glDisable(GL_CULL_FACE);
+	glEnable(GL_CULL_FACE);
 
 	// culling, lighting, depth-test, ...
 	glEnable(GL_DEPTH_TEST);
-	glEnable(GL_CULL_FACE);
 	glShadeModel(GL_SMOOTH);
 
 	glEnable(GL_MULTISAMPLE);