Build 3.8.6 Enhancements/Fixes, Date:4/12/2016
•Added weight scale enhancements.
•Prevented adding double the amount when activating gift cards.
•Weight Scale: save tare weights when creating a modifier.
•Weight Scale: fix crash when weight is not returned in correct format.
•Allow hide category for Guest.
•Silently ignore errors if product images cannot be retreived.
•Fixed custom item discount not printed on customer receipt