#952 - Provide an out of the box PCI-Compliant implementation where you can make a server to server call to a configured Payment Gateway given that the Credit Card PAN enters your network. ValidateAndConfirmPaymentsActivity will either confirm or authorize/authCapture and unconfirmed transaction based on the payment type passed in. Also adds the utility methods isConfirmed and isFinalized to the OrderPayment to aid in determining when to automatically adjust the Final Payments Transaction Total before confirming or authorizing the transaction during final checkout.