Merge branch 'dev' into 'master'

CheckoutCore/API/Checkout/Checkout.php

CheckoutCore/API/Checkout/Delivery/Method/Carrier.php

CheckoutCore/API/Checkout/Delivery/Method/DeliveryDay.php

CheckoutCore/API/Checkout/Delivery/Method/DeliveryMethod.php

...Delivery/Method/DeliveryMethods/DeliveryMethodFactory.php

.../Delivery/Method/DeliveryMethods/NominatedDayDelivery.php

...ckout/Delivery/Method/DeliveryMethods/SameDayDelivery.php

.../Delivery/Method/DeliveryMethods/ServicePointDelivery.php

...kout/Delivery/Method/DeliveryMethods/StandardDelivery.php

CheckoutCore/API/Checkout/Delivery/Method/FreeShipping.php

CheckoutCore/API/Checkout/Delivery/Method/HandoverDay.php

CheckoutCore/API/Checkout/Delivery/Method/Holiday.php

...utCore/API/Checkout/Delivery/Method/OrderPlacementDay.php

...outCore/API/Checkout/Delivery/Method/ServicePointData.php

...koutCore/API/Checkout/Delivery/Method/ShippingProduct.php

CheckoutCore/API/Checkout/Delivery/Method/ShippingRate.php

...outCore/API/Checkout/Delivery/Method/ShippingRateData.php

CheckoutCore/API/Checkout/Delivery/Zone/DeliveryZone.php

CheckoutCore/API/Checkout/Delivery/Zone/Location.php

CheckoutCore/CheckoutService.php