fix language support to full Language Identifier.

Add chinese simplified support, but langid is shot format(primary language ID) so chinese is only chinese simplifity or chinese Traditional.I think is right that uint16_t langid = GetUserDefaultUILanguage() & 0xFFFF; ... case 0x0804: LANG = LANG_CN;break;case 0x0404: LANG = LANG_TW;break;
Reference http://msdn.microsoft.com/en-us/library/dd318691(v=vs.85).aspx