lab 2: changed /WEB-INF/ffds/logs directory
to /WEB-INF/ffds/stores
lab 2: setup a preconfigured userdetails.json
store with the admin account
lab 2: added ROLE_ADMIN to GrantedAuthorityRoles
lab 2: added OrderController and page stub for
/orders/submit path mapping
lab 2: autowired LoginController in OrderControll
so that it would be available in the EL used in navigation.jsp
lab 2: added BaseController with an autowired
OrderPolicy. Made OrderController extend BaseController. Added OrderPolicy
since it hadn't been correctly added before.
lab 2: added comment to BaseController.
lab 2: made all controllers extend
BaseController.
lab 2: created LoggedInUserContext, set up
BaseController to autowire the context, and set up LoginController to
delegate to the autowired context
lab 2: updated UserController to query the
LoggedInUserContext instead of LoginController for whether there is a
logged in user or not.
lab 2: Updated AccountController and
LoginController and nagivation.jsp to use LoggedInUserContext instead of
LoginControler.getSignedInUserDetails().
lab 2: Removed autowired LoginControllers from
other controllers since the BaseControllers now autowires LoggedInUserContext.
lab 2: added the pickup time field to submit_order.jsp
and set up OrderController with a post listener for /orders/submit
Revert "lab 2: added the pickup time field to submit_order.jsp"

This reverts commit a1591a53ca994da58048c9896a0febd4780b99ec.