Login Required prior to checking out

Checks to see if client is logged in, if not, redirects them to the
login page with appropriate message and returns to the checkout page
(once its created).
Merging Zain's + My changes

Zain's itemPage changes + my Login required change.
Merge branch 'master' of https://github.com/zainadil/FoodRUs

Conflicts:
	src/Controller/eFoods.java