[FEATURE] sap.ui.core.routing.Route new events matched, pattern matched sap.ui.core.routing.Router new function getRoute

- new way of attaching to routing event without having to check for the route's name everytime: oRouter.getRoute("myName").attachMatched(myFunction)
-fixed a bug in the shopping cart where a discontinued product could not be added to the cart (scoping issue)

Change-Id: I72eaf33102e187966cd957e13181b89f8b48be1c
Merge "[FEATURE] sap.ui.core.routing.Route new events matched, pattern matched sap.ui.core.routing.Router new function getRoute"