* fixed build errors for the DeskApp
* cronjobs that throw an exception won't be marked as handled from now on
* added integrity checkin system, for data validation, currently implemented for BSN
* fixed canceling multisafepay payment requests
* fixed payplaza recovery in case the customerSale was already deleted
* implemented changes from stable commit 1816
DESKAPP
* prevent incrementing invoicenumber for temporary sales