* Add readonly on some fields when state of declaration is done
* Division by zero in computation of accessory costs
* Add FR translation
* Fix strings
* Minor code updates
* Update README.rst: switch to new intrastat project
* Move Intrastat menu entry to Accounting > Report instead of Accounting > Report > PDF Reports (because intrastat reports are not in PDF !)
* Add product_origin_country_id on declaration/computation lines
Copy incoterms and destination country from SO to invoice when invoicing from SO
We need weight even when supplementary units is used
Small cleanups and enhancements
* Add support for accessory costs
Add default values for intrastat transaction on company
Code cleanup
* If rounded weight is 0, put 1
Take into account the taxes for B2C
Small code cleanup
* Remove field exclude_from_intrastat
Re-organise view of intrastat.product.declaration
* Add option intrastat_accessory_costs on company
Set more fields as invisible (localisation should put them visible if they need it)
Fix handling of suppl. units when hs_code is empty on invoice line (but set on product)
Small usability enhancements
* Warning -> UserError
* Inspired by the PR https://github.com/akretion/account-financial-reporting/pull/8 of Luc de Meyer
* total_amount is a sum of integers, so it should be an integer
Add transport mode in computation tree view
* Demo VAT number should be on EU customers
