New setting SHOP_SHOW_SIGNUPLOGIN to hide signup/login links inside shop. [upstreamcand]
Fix old cart cleaning due to upstream changes [reservable]
New setting SHOP_HIDE_BILLING_SHIPPING_FIELDS to allow hiding of certain billing/shipping fields. Model has been changed for those to be blank=True and validation as been added to the form to counter this change. [upstreamcand]