Renamed checkout/details to checkout
Removed checkout/details route
Refactored location of template so both cart controller and api/checkout controller have same response
Added requirement for Address phone number
Added phone number to address form
Changed confirm button to be disabled during processing
Added serialization of address id
Updated Cart.load to handle bill/ship address
Added ability to set order on Cart.current
Refactored checkout service to reduce function to update() & complete()
Added logic to save order when confirmation button clicked