Merge branch 'next-2.x' of dev.quiqqer.com:quiqqer/order into next-2.x

ajax/frontend/basket/toOrderInProcess.php

src/QUI/ERP/Order/AbstractOrder.php

src/QUI/ERP/Order/Basket/Basket.php

src/QUI/ERP/Order/Basket/BasketOrder.php

src/QUI/ERP/Order/Controls/AbstractOrderingStep.php

src/QUI/ERP/Order/Controls/OrderProcess/Basket.php

src/QUI/ERP/Order/Controls/OrderProcess/CustomerData.php

src/QUI/ERP/Order/Controls/OrderProcess/Delivery.php

src/QUI/ERP/Order/Controls/OrderProcess/Processing.php

src/QUI/ERP/Order/Controls/OrderingStepInterface.php

src/QUI/ERP/Order/Factory.php

src/QUI/ERP/Order/Handler.php

src/QUI/ERP/Order/NumberRanges/Order.php

src/QUI/ERP/Order/OrderProcess.php

src/QUI/ERP/Order/PaymentReceiver.php

src/QUI/ERP/Order/ProcessingStatus/Handler.php

src/QUI/ERP/Order/ProcessingStatus/Status.php

src/QUI/ERP/Order/ProcessingStatus/StatusUnknown.php