Double declaration fix
Added the type attribute to the coupon input on the cart page
Only show settings link if method has_settings
Rounding order_tax and order_shipping_tax restricts our ability to get an accurate tax_total after an order is made. Fixes some paypal rounding requests.

@coenjacobs
Fix display of fee_taxes when spanning multiple tax classes Closes #4803
Merge pull request #4883 from nathanmarks/coupon-input-type

Added the type attribute to the coupon input on the cart page
Merge pull request #4877 from Ramoonus/patch-2

Double declaration fix
Merge remote-tracking branch 'upstream/master' into upstream-master