fix length field holder name, result URl fix for logger, added some license texts, cleanup code and remove die() statement in a catch statement

Implemented OneClick payment method, seperate log file for notfiications, implemented recurring_contract notification saved into billing agreements

added info blocks for HPP and Cc, fix title for adyen cc in frontend, added support for 3D secure creditcard payments, fixes some notifications handler, pspreference set on additionalData by notification so info blocks can show link to pspreference on adyen side