Using same method as in upstream, mandate is filled on invoice creation if no
one is provided. This way, we don't need to install account_banking_mandate_sale
if we don't want to handle several mandates at sales level.
* Bug #96 bad use of new API
* [Usability] mandates: search by reference, add group_by, add seq type in tree view
* Add scheme in mandate tree+search view
* Replace tabs by spaces in mandate views
* account_banking_mandate/views/account_banking_mandate_view.xml: convert from dos to unix format
* Add multi-company rule on account.banking.mandate