Avoid notice.

Add hierarchical facet helper to search2 results (vufind-org#1678)

Merge branch 'release-5.1' into release-6.1

Update import-marc-auth.bat to match import-marc.bat.

Updated translations, courtesy of Anneke Goovaerts.

Version bump.

Updated translations from Hugo Agud.

Consume Tika stderr output to avoid crash. (vufind-org#1366)

- Resolves VUFIND-1330.

Hide all abstract classes from ILS dropdown.

Filter ILS drop-down correctly.