Merge pull request #48 from ajpevers/develop-2.1.0

Fixes #47 Add composer file
#38 minor fix for gender in payment method openinvoice
Merge remote-tracking branch 'origin/develop-2.1.0' into develop-2.1.0
Fixes #43, Fixes #9, Fixes #38; change the label of the payment fee and add this extra fee to adyen for klarna or afterpay. Important fix that discount can be a negative amount. and fix for openinvoice datebirth
Fixes #50 Fixed that CAPTURE_FAILED notification is cancelling the magento order
#41 added express checkout button setting to configuration
Fixes #51 added posibility to use MOTO for backend creditcard orders
#1 removed bic from sepa payment because it is mandatory and added missing BankAccount class
Fixes #52 fixed that when recurringContract is NONE no recurring paramaters are send to the adyen app so that the application won't return an error
#10 show different event status for full or partial refund.
#10 add CANCEL OR REFUND const
#10 added to filter for grid
Fixes #25  most of the part was already committed this was missing. With the modification request for CANCEL_OR_REFUND amount must be empty.
Fixes #25  most of the part was already committed this was missing. With the modification request for CANCEL_OR_REFUND
Fixes #25  most of the part was already committed this was missing. With the modification request for CANCEL_OR_REFUND amount must be empty.