- refactor LoadLanguageCommand so language loading can be reused
- add GetLanguagesCommand for the server
- change GUI to fetch language list and update selection list with it
- make all file loading relative to module base
- move core language files into appropriate place
- eliminate all SetLanguage commands and use SetPreference instead
- eliminate all LoadLanguage commands except for core's
- fix duplicate keys in JSON language files
- remove BOM from JSON language files
OPEN - task 760: Translations not being loaded from built kit
http://github.com/OpenRefine/OpenRefine/issues/issue/760