- LANG_SESSION_ACTIVE_LANGUAGES
- LANG_SESSION_CURRENT_LANGUAGE
- Added new functions in helper hlp_language_helper:
- setUserLanguage
- getDBActiveLanguages
- getActiveLanguages
- Adapted code to make use of them
- Added new controller controllers/widgets/Language
- Renamed FiltersLib to FilterWidgetLib
- Adapted code in widgets/FilterWidget, public/js/FilterWidget.js and public/js/infocenter/infocenterPersonDataset.js