[IMP] stock_working_days: added working days calculation in minimum stock rules
[IMP] stock_working_days: added working days calculation in minimum stock rules

ndp-systemes/odoo-addons,ndp-systemes/odoo-addons,ndp-systemes/odoo-addons,odoousers2014/odoo-addons-supplier_price,odoousers2014/odoo-addons-supplier_price