fixes navigating back on the mobile browser by loading js files in the head and not in the body of the html
order button on dish page. url to place order. empty view to take order
renames dish.html to item.html and changes the related lines in urls and views
places orders, shows confirmation page and adds order to the db
    lists orders by client id with quantity and item name
orders take quantity
orders take quantity
order list shows delay
Merge branch 'detail'
up-to-date with master
fixes a small bug computing the delay of placed orders