* Implement localization loader L10N.
Localize a few strings in index.php for testing.
* Determine language from HTTP_ACCEPT_LANGUAGE header.
* Fix parsing of available languages for localization.
* Fix parsing of language translations (for localization).
* Fix function L10N->find_language
* Change variable naming to comply with conventions.
* Add remaining localize calls in index.php.
Add more localization strings.
* Fix styles to prevent check mark from being hidden.
* Handle exception in case localization couldn't be loaded.
* Add module localization support.
* Fix detection of core module in L10N->load
* Remove module specific localization from core l10n file.
* Fix determination of module name in L10N->load.
* Add localization files for more modules.
* Ignore l10n directory in modules path.
* Add support for dropdown lists in module settings.
* Add support for saving dropdown menus.
* Fix regex for recognizing dropdown option lists.
* Fix dropdown list regex not recognizing active option.
* Fix typo in ncp-launcher.php
* Workaround for jquery's 'find' method not working. //TODO: Find proper fix.
* Fix parsing of dropdown lists when updating config.
* Load language setting from config if available.
* add ncp-provisioning to SD card images
* Add intellij config to gitignore
* Fix bug when loading language from nc-webui config.
* Remove redundant language definition.
Replace umlauts by html special char expressions.
* Change selected option markup from `*<option>*` to `_<option>_`.
* Remove ide metadata.
* Add translations for ncp-app nc-backup.
* Add translation hooks to ncp-launcher.php
* Fix type in translations for nc-backup
* Remove translation hooks for field contents in ncp-launcher.php
