receipts directory moved to public folder, print receipt now downloads .txt file
order price adjustment working for total price (not individual price)
database migration to use integers instead of floats for currency seems to be working
fixes integer display on edit food page, adds timestamp and order_up to order
chef page displays outstanding orders with option to mark item as ready
fixes receipt generation decimal places
fixes tip display in txt receipt and receipt preview in party show.erb
adds comments to party to explain methods