New Billing Contact Info Form

- for editing existing billing contact info
- only shows up if a domain has subscribed to a plan other than community or has been previously invoiced for extra charges (SMS / users) on the community plan
- also fixes issue where the country code instead of the translated country name was showing up in the select2 country field
![screen shot 2014-02-14 at 5 06 49 pm](https://f.cloud.github.com/assets/716573/2176159/d3f0ad64-95cc-11e3-98ba-abeca185fdf7.png)