Prevent Formulator (and incidentaly ERP5Form) from bloating the ZODB at each zope restart. This also cures conflict error occuring when restarting 2 zopes concurently on the same zeo server.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@15568 20353a03-c40f-0410-a6d1-a30d3c3de9de