Any modifications of this object is not detected. An old version
of this object is returned in a new transaction.
This patch replace old Localizer by new one to avoid
this side effect.
Another modification could be to add persistent.Persistent class in 
inheritance of DummyLocalizer.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@35427 20353a03-c40f-0410-a6d1-a30d3c3de9de