* move unused file + cleanup code
* Add sale_ok and purchase_ok filters in partner/sale/purchase form views
* Use widget=selection for payment_mode_id fields
* Update demo data
* Return res in inherit (even if res is empty in this case)
* Migration and enhancement of all modules involved in SEPA
* Clean files
* Replace deprecated workflow calls
* Translation template files
* Translations to spanish
* Use sale_ok and purchase_ok instead of tweaking payment type