added:

	Total Cost function.
Updated:

	OrderDAO
	OrderService
	OrderServiceImpl
	(To meet demands of canceling an order)
	viewOrder

Added:
	PayOrderAction
Started implementing Cancel Order Action
Merge branch 'master' of https://github.com/jdpalmares/pizzaccio

Conflicts:
	WebContent/WEB-INF/content/pages/viewOrder.jsp