[sample] Add missing spec folder
Revert "adds threading to chain of shipping_method.compute calls"

This reverts commit a582903d71e96ea2e0816be2e46587ce9ea8a40f.

This reverts PR #1976.

This fixes #2429.
Stop using @order in favor of order

order is passed as a local in every instance this partial is called

Fixes #2648
updates jquery.live to .on for jquery 1.9

Fixes #2676
Correct call to available_shipping_methods within Order#rate_hash
Fixing locked orders due to invalid card details for a payment

Fixes #2616
Fixes #2570
Fixes #2678
Fixes #2585
Fixes #2652
Display multiple payment information on the order confirmation/complete page

Related to #2616 and its related issues
[api] Remove Order#payment_method reference inside orders/payment.v1.rabl
to suppress the error from the log, check for column names before executing SQL

Fixes #2681