Use the Reference property sheet

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@4252 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Person.py

@@ -70,6 +70,7 @@ class Person(Entity, Node, XMLObject):
                       , PropertySheet.XMLObject
                       , PropertySheet.CategoryCore
                       , PropertySheet.DublinCore
+                      , PropertySheet.Reference
                       , PropertySheet.Person
                       )
 

product/ERP5/PropertySheet/Person.py

@@ -35,11 +35,6 @@ class Person:
 
   _properties = (
     # Personnal properties
-    { 'id'         : 'reference'
-    , 'description': 'Also know as user login.'
-    , 'type'       : 'string'
-    , 'mode'       : 'w'
-    },
     { 'id'         : 'password'
     , 'description': ''
     , 'type'       : 'string'