[YC-692] Taxation enhancements - www.inspire-software.com

Details

As a YesCart user I found that taxation admin could be improved. I will create improvements over this epic item so it's easier to track.

1.	Ability to set a global tax for all shipping SLAs	Closed	Denis Pavlov
2.	Ability to set a display value for a tax code	Open	InspireSoftware
3.	Ability to apply a tax per product type	Open	InspireSoftware
4.	Calculate multiple tax information per item	Open	InspireSoftware