Removed apply discount functions from edd-ajax
Added discount .focusout() ajax actions
Updated edd_ajax_apply_discount()
Updated edd_get_cart_amount() to detect if a discount has been applied
Removed Apply Discount (now happens automatically on focusout)
Added new edd_set_cart_discount() and edd_get_cart_discount() functions
Fixed conditiona
Show discount row in response
Better ajax response
Added edd_cart_discount()
Added edd_cart_discount()
Added new discount row
Improved conditional.
Allow multiple discounts to be set for cart (thinking forward). #715
Updated edd_ajax_apply_discount() with correct amount
Updated cart discount functions to permit an array of discounts
Added edd_unset_cart_discount()
Fixed syntax error. #715
Further updates to #715
Make sure edd_get_discount_id_by_code() doesn't freak out. #715