Update some rules to expand base_contribution in simulation, and add corresponding movement groups.
Add a new movement group 'tax_movement'
TradeCondition now subclass Delivery, because it contains movements (Tax Model Line)


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@20467 20353a03-c40f-0410-a6d1-a30d3c3de9de