Possibility to send a device fingerprint to the encrypt function

• Now possible to send a device fingerprint value to the encrypt function:

var cseInstance = adyen.encrypt.createEncryption(key, options);
cseInstance.encrypt(cardData, dfValue);

This can be used in conjunction with the stopDeviceFingerprint boolean (from version 0_1_23) to prevent the CSE from performing device fingerprinting.
Instead it can be performed elsewhere and passed into the CSE.