Kraken: Answer to metadata and status even if there is no data loaded
Kraken: add loading_data instance
Kraken: add loading to data
Jormungandr: add test with one null status coverage
Jormungandr: Always display region when there's a direct access
Jormungandr: add test on with a direct acces to a dead region
Jormungandr: add comment on TestNullStatus

and remove superflous parenthisis
Merge pull request #635 from l-vincent-l/hide_null_regions

Hide null regions