Changelog:
- Make it possible to select language per collection
- Support stemmed queries
- Add API-key administration (http.header.Authorization: Explorer-Api-Key XXXX)
- Schema validation (Min/max occurrences, valueType)
- Add CRUD Document REST API (webapp/api/v1/collections//documents)
- Use distributed tasks
- Replace lib-cron with the internal scheduler
- Data migration on first startup based on model number
- Replace collector register with collectors.json