Correcting python bindings (+ rescan)

Removing obsolete and unnecessary code
diff --git a/model/annotated-topology-reader.cc b/model/annotated-topology-reader.cc
index 239b6a3..86918f7 100644
--- a/model/annotated-topology-reader.cc
+++ b/model/annotated-topology-reader.cc
@@ -129,7 +129,7 @@
       Ptr<ConstantPositionMobilityModel> loc = CreateObject<ConstantPositionMobilityModel> ();
       node->AggregateObject (loc);
 
-      loc->SetPosition (Vector (latitude, longitude, 0));
+      loc->SetPosition (Vector (2*longitude, -2*latitude, 0));
 
       Names::Add (m_path, name, node);
       nodes.Add (node);