Add tracking to BOM and line fields to track the BOM line change
Add equipments under workcenter and and equipment_id to workorder and production
FIX MRP Unbuild Order Business cycle with KIT products
按销售订单进行MRP算料,从销售单获取成品数量进行多层级BoM用料计算. MRP material calculation from sales orders, multi-level BoM calculation for sale products