revert my visibility patch

Geo/GModel.cpp

@@ -135,8 +135,6 @@ GModel::GModel(std::string name)
 {
   partitionSize[0] = 0; partitionSize[1] = 0;
 
-  for(unsigned int i = 0; i < list.size(); i++) list[i]->setVisibility(0);
-
   list.push_back(this);
   // at the moment we always create (at least an empty) GEO model
   _createGEOInternals();

Plugin/FieldFromAmplitudePhase.cpp

@@ -101,6 +101,7 @@ PView *GMSH_FieldFromAmplitudePhasePlugin::execute(PView *v)
   oA = new OctreePost(va); 
   oPhi = new OctreePost(vphi); 
 
+  GModel::current()->setVisibility(0);
   GModel *umodel = new GModel ;  
   umodel->readMSH(fileName) ; 
   std::vector<GEntity*> _entities ;