A request that often comes up is to change the order of the Addressfield fields.
In this example, we are creating a custom module in order to position the Country field at the bottom.
It is a very simple function, and the other elements can be positioned in a similar fashion.
If you do not want to use i18n_string and i18n_field in order to translate the Order total, Shipping & Billing Information texts, that show up in the cart and on the checkout pages when using Drupal Commerce, the following hacky approach should do the trick.
First, the following funcion can be used in your template.php file: