Links for documents that explaing how to define the lang code for language and country used in viralator.conf:
RFC 1766 (Tags for the Identification of Languages): http://www.ietf.org/rfc/rfc1766.txt
Code for the Representation of the Names of Languages: http://www.oasis-open.org/cover/iso639a.html
Country Code List: ISO 3166-1993 (E): http://www.oasis-open.org/cover/country3166.html
