Progressing towards the completion of divergence testers API. It is now understood that divergence testers provide comparison functions which can be used both as a way to test divergence and to match existing simulation movements with prevision movements generated by rules.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@29997 20353a03-c40f-0410-a6d1-a30d3c3de9de