Implement ``bda.plone.orders.interfaces.IPaymentText`` at ``bda.plone.shop.mailnotify.RegistryPaymentText``. Rename ``bda.plone.shop.vocabularies.PaymentVocabulary`` to ``bda.plone.shop.vocabularies.PaymentMethodsVocabulary``. Add ``available_payment_methods`` and ``payment_method`` to ``bda.plone.shop.interfaces.IPaymentTextSettings`` and provide GS upgrade step. Implement ``bda.plone.payment.interfaces.IPaymentSettings`` at ``bda.plone.shop.payment.PaymentSettings`` using ``bda.plone.shop.interfaces.IPaymentTextSettings`` controlpanel settings. Implement ``bda.plone.shipping.interfaces.IShippingSettings`` at ``bda.plone.shop.shipping.ShippingSettings`` using ``bda.plone.shop.interfaces.IShopShippingSettings`` controlpanel settings.