* PurchaseOrder_viewODTPrintDialog: add your_format field, using oood for conversion
* PurchaseOrder_view: add edit_order to form
* PurchaseOrder_getODTDataDict, PurchaseOrder_getODTStyleSheet, PurchaseOrder_viewAsODT: add (simple) support for hierarchical orders

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@20040 20353a03-c40f-0410-a6d1-a30d3c3de9de