Refactored copy command

- Added more output information
- Removed basecommand extend
Refactored CronCommand

- Removed extend to basecommand
- Added process isSuccessful check
Refactored data import

- Removed extend to basecommand
- Added deviceService and db variable
- Cleanup of checking whether a device is accepted
- Cleanup of adding new devices if they don't exist yet
- Query indentation fixes for better overview