getTitle should accept keyword arguments.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@1901 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Person.py

@@ -129,7 +129,7 @@ etc.)."""
         self.title = value
 
     security.declareProtected(Permissions.View, 'getTitle')
-    def getTitle(self):
+    def getTitle(self, **kw):
       """
         Returns the title if it exists or a combination of
         first name and last name