* Added Opposition module
* Added Transfer module
* Added workflows for invoice accounting with m9 rules and payment
* Default classification for m9 invoices
* Add new references to accounting transaction (many forms overloaded)
* Simple dunning implementation




git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@12987 20353a03-c40f-0410-a6d1-a30d3c3de9de