Add a comment to warn that listing objects from Contribution tool can collapse the portal

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@37018 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Tool/ContributionTool.py

@@ -440,6 +440,7 @@ class ContributionTool(BaseTool):
     """
       Get all contents contributed by the current user. This is
       delegated to a script in order to help customisation.
+    XXX Killer feature, it is not scalable
     """
     method = getattr(self, 'ContributionTool_getMyContentList', None)
     if method is not None: