Remove objectCount method. Improved layout selection in Web mode. New...

Remove objectCount method. Improved layout selection in Web mode. New WorkflowMethod implementation. This new implementation solves most issues which existed previously and related to multiple workflows for a single workflow method ID. It should also be faster but will require some more work so that changes in workflow definition are reflected automatically in workflow methods registration.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@15810 20353a03-c40f-0410-a6d1-a30d3c3de9de