Support multiple languages and robust internationalization

[philipashlock]

The language issue has been raised before with discussion of using the accept-language http header response

Relevant threads:

• http://lists.open311.org/groups/discuss/messages/topic/2m3cTGS3s1DtiaPRZjN5uE
• http://lists.open311.org/groups/discuss/messages/topic/2KyddvKtgx4PK6rDgqCnpd
• http://lists.open311.org/groups/discuss/messages/topic/7p9rbAji6uynrdoQGeRsy