Save/approve fixes

- Refresh page on APPROVE_FAILED_DURING_VALIDATION
- Refresh on save
JS app entry point moved to main.js

For easier cache control, keep main.js as small as possible.
Rich text editor changes

- Added Finnish translations
- Added shortcut for creating links
Data config editor partially implemented
Merge remote-tracking branch 'origin/master'

Conflicts:
	metka/src/main/webapp/WEB-INF/jsp/settings.jsp
	metka/src/main/webapp/resources/js/modules/data.js