Commerce Payment: Suomen Verkkomaksut Notify

This module provides support for Suomenverkkomaksut notifications.
Suomenverkkomaksut server sends a notification to the web shop about paid transactions.
This functionality is not handled correctly in commerce_suomenverkkomaksut module.

Without this module, some of the transactions in web shop are left to pending state even when the customer has paid it.
This happens when customer doens't return to the webshop from the web bank.