Cart refactoring working until  state, still some work
merge address fields partial
wizard capable cart
cart shipping method adjustment management and order recap through checkout steps
shipping carrier delivery limitations management in cart validations
registered user management, and some kind of mass assignment protection at cart model level
order generation from cart done, destroying pending orders when new order is created in same cart
translations
Merge branch 'order_refactoring'
miscellaneous updates to better handle cart checkout