Fixed front page for areas with no menu
Changing adding to cart
Fixed changing cart quantities in cart to update badge accordingly
Working on the availability of items
Added a lock for menu items when being proccessed for orders and check if quantities are in stock
Menu items subtract from the database after successfuly transaction
Fixed some typos and small bugs for adding multiple items to cart and the checkout checks for quantity and locked items
Added pickup_date to orders
Added expiration time to menu items and adjusted cart to take it into account as well as menu view and checkout
Merge branch 'master' into front_page_ryan
Orders are now created with pickup date
Added log in link to the cart
Merged front_page_ryan into cancan_vendors_servers_cust