Release notes freestyler v6.2508.17

This was a release mainly focussed on the support of the Mollie payment provider.
But the final solution is general and a real benefit for implementing with other payment providers.

Release summary

Mollie uses JSON application type content in their server to server communication.
Fs3cms did not support that yet (only html and xml messages).
Furthermore they use a different technique to receive updates/callbacks.
Most providers use direct ok and cancel callback(urls) making it very simple to implement redirection of your payment customer while he/she finishes the payment. Mollie however does NOT use any cancel or ok url mechanism. They return blank callbacks with a transaction id only. So you actively need to query their server to see what the status of your order is.

Fs3cms was adjusted to support all this.

Added:
Support for Mollie payment provider.

Added:
Support for JSON payment calls.

Added:
Support for external payment statuscheck calls.