OCA/sale-workflow — pull request #65 by veloutin (2014-11-19 16:06:20+00:00)
Title: [7.0] [ADD] sale order amount to invoice

This module adds a field "amount_to_invoice" on sale orders and displays
it in the tree view. The field is calculated as
*to invoice = (total - sum(total_amount for each invoice_id))*