Add state machine gem
Add state column to order
Add state machine to Order

Create states, transitions and events for order
Clean up shopcart view and order controller
Add controller for checkout process
Add bootstrap sass to make css more flexible
Add views for checkout steps
Add specs for Order
Add stylesheet for checkout
Modify checkout and shopcart views
Prolong shopcart and add redirection method

Add redirection to address controller
Add localization for checkout
Add checkout routes
Add some specs and factories
Fix minor stuff , add and refactor
Add checkout wizard working

State actions and Order update method
Replace status with state of state machine
Refactor Payment methods are subclasses of Payment

Refactor PM functionality and add images to Payment and Shipment.
Add specs for Shipment and Payment
Add translations for Payment and Shipment image stuff