delete order items from cart
can update quantity on checkout page
Merge branch 'master' of https://github.com/kemccabe/betsy_rails
cc number is hidden and accepts large numbers
add show_user/merchant page
delete unnecessary space
fix merge conflicts in orders_controller
limit number of orderitems quantity to the numbers of products in stock
add browse by merchants area on front page
changed some naming for better browsing xp
completed order and order item migrations
add out_of_stock? helper method
refine 'out of stock' notices
Merge branch 'master' into products
refine user_show page
Merge branch 'master' into user