Improve WrapperQtWidget to provide a signal when we add a new widget to the list
Mantis Issue 941, reported by msavinaud, assigned to gpasero, created: 2014-05-27
cf initial bug http://bugs.orfeo-toolbox.org/view.php?id=915
1411048817 - gpaseroFixed here : http://hg.orfeo-toolbox.org/OTB/rev/4ce93fe26310
1429262537 - julienClosing resolved bugs.