Update to version 1.1.2

Merge branch 'develop'

Added PayPal requriement

Merge branch 'develop'

update manual links

Merge branch 'develop'

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

oneclick implemented billing agreement disable call to adyen, creditcardtype now set for CreditCard and Oneclick payment method, removed cron controller, added info and error logfile for info and error statements, fix save creditcard checkbox function

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

change of lib so setStatus is now setEnvironment and uses Environment class to set correct environment

added support for refund and capture, added loggers so it is possible to log to different files(not fully working yet)

This name was already reserved for our magento 1.x module