Girocheckout API

Removed internal forms in checkout for giropay, eps, iDEAL and direct debit. Additional data is now always requested on payment server side. Also removed related configuration settings.

Fixed bug that prevented paydirekt and Sofort logos from displaying in checkout.

Fixed bug in Paydirekt, where a payment wasn't possible when the shipping address contained Umlauts.

Fixed bug in Direct Debit, where a payment wasn't possible when BLZ/Acct. No. were disabled in the backend.

Implement/check correct use of credit card logos, depending on selection in settings.

Integrate new EPS logo.

Use new native Javascript Widget for giropay and eps.

Addded the text for paydirekt and sofortuw, checking that the script js are loaded only in the checkout page and added SDK 2.1.11.

Implement Giropay + Giropay ID.

Fix problem introduced for SDK 1.6 in notification.

Minimize the girocheckoutwidget.js and style.css files.

Integrate new payment method SofortÜberweisung.

Integrate new payment method Paydirekt.

Added the option „Use external form service“ for payments directdebit, eps and giropay.