json mapping language code to language name, taken from http://en.wikipedia.org/wiki/ISO_639-1_language_matrix

localeinfo.json

{
    "ab":"Abkhazian",
    "af":"Afrikaans",
    "an":"Aragonese",
    "ar":"Arabic",
    "as":"Assamese",
    "az":"Azerbaijani",
    "be":"Belarusian",
    "bg":"Bulgarian",
    "bn":"Bengali",
    "bo":"Tibetan",
    "br":"Breton",
    "bs":"Bosnian",
    "ca":"Catalan / Valencian",
    "ce":"Chechen",
    "co":"Corsican",
    "cs":"Czech",
    "cu":"Church Slavic",
    "cy":"Welsh",
    "da":"Danish",
    "de":"German",
    "el":"Greek",
    "en":"English",
    "eo":"Esperanto",
    "es":"Spanish / Castilian",
    "et":"Estonian",
    "eu":"Basque",
    "fa":"Persian",
    "fi":"Finnish",
    "fj":"Fijian",
    "fo":"Faroese",
    "fr":"French",
    "fy":"Western Frisian",
    "ga":"Irish",
    "gd":"Gaelic / Scottish Gaelic",
    "gl":"Galician",
    "gv":"Manx",
    "he":"Hebrew",
    "hi":"Hindi",
    "hr":"Croatian",
    "ht":"Haitian; Haitian Creole",
    "hu":"Hungarian",
    "hy":"Armenian",
    "id":"Indonesian",
    "is":"Icelandic",
    "it":"Italian",
    "ja":"Japanese",
    "jv":"Javanese",
    "ka":"Georgian",
    "kg":"Kongo",
    "ko":"Korean",
    "ku":"Kurdish",
    "kw":"Cornish",
    "ky":"Kirghiz",
    "la":"Latin",
    "lb":"Luxembourgish; Letzeburgesch",
    "li":"Limburgan; Limburger; Limburgish",
    "ln":"Lingala",
    "lt":"Lithuanian",
    "lv":"Latvian",
    "mg":"Malagasy",
    "mk":"Macedonian",
    "mn":"Mongolian",
    "mo":"Moldavian",
    "ms":"Malay",
    "mt":"Maltese",
    "my":"Burmese",
    "nb":"Norwegian (Bokmål)",
    "ne":"Nepali",
    "nl":"Dutch",
    "nn":"Norwegian (Nynorsk)",
    "no":"Norwegian",
    "oc":"Occitan (post 1500) Provençal",
    "pl":"Polish",
    "pt":"Portuguese",
    "rm":"Raeto-Romance",
    "ro":"Romanian",
    "ru":"Russian",
    "sc":"Sardinian",
    "se":"Northern Sami",
    "sk":"Slovak",
    "sl":"Slovenian",
    "so":"Somali",
    "sq":"Albanian",
    "sr":"Serbian",
    "sv":"Swedish",
    "sw":"Swahili",
    "tk":"Turkmen",
    "tr":"Turkish",
    "ty":"Tahitian",
    "uk":"Ukrainian",
    "ur":"Urdu",
    "uz":"Uzbek",
    "vi":"Vietnamese",
    "vo":"Volapük",
    "yi":"Yiddish",
    "zh":"Chinese"
}