Enhance the product UOM logic
1.Add the domain restriction to only display the UOMs with same category of product
2.Add the same category restriction with the product's UOM when changing a req line's UOM
Change the metro calendar's date field type to Date
Add the product inventory warning feature
Add the purchase 'chaning' state to allow user to change data when purchase order is approved
Add the partner query to the picking in/our search view
Add the 'changin' state related i18n