Cambio de los Handler genericos para adaptarlos a las condiciones de
Camino
Merge branch 'master' of git@github.com:ULE-Bank/payments.git

Conflicts:
	ULE-Bank/src/es/unileon/ulebank/command/NewCardCommand.java
	ULE-Bank/src/es/unileon/ulebank/payments/Card.java
	ULE-Bank/src/es/unileon/ulebank/payments/RevolvingCard.java