LANGUAGE_COUNTRY.js
LANGUAGE = The lowercase ISO 639-1 language code.
COUNTRY = The uppercase ISO 3166-1 country code.
See http://en.wikipedia.org/wiki/ISO_3166-1_alpha-2#Officially_assigned_code_elements
LANGUAGE_COUNTRY.js
LANGUAGE = The lowercase ISO 639-1 language code.
COUNTRY = The uppercase ISO 3166-1 country code.
See http://en.wikipedia.org/wiki/ISO_3166-1_alpha-2#Officially_assigned_code_elements