odoo/odoo — pull request #4318 by cod-odoo (2014-12-18 08:52:06+00:00)
Title: [Warehouse] Prevent negative stock.

Task: https://accounts.openerp.com/web#id=10130&view_type=form&model=project.task&menu_id=3942&action=327
Pad: https://pad.odoo.com/p/r.KCBJWsVnxINg746v