Removed turbolinks
Merge branch 'cart_display'
Added seed data and updated models for app setup.
Add checkout route to routes.rb
Add checkout action to orders controller
Add checkout view
Rename orders.js.coffee to orders.js
Add convert_path to routes.rb
Add actions to orders controller:

- convert_cart_to_order
- checkout
Add "checkout" button to checkout page
Remove comments from orders.js file
Add confirmation view to orders
Add confirmation route and correct convert path
Modify checkout button
Add processed_at date to cart conversion process
Add gray text color to debugger text
Orders index and show(cart)
Some cart table css
Added order_products variable to Orders#show
Added Order.total class method
Added OrderProduct.subtotal class method