Merge branch 'DDBNEXT-968-bro-2nd' into release/4.2
Merge branch 'DDBNEXT-973' into release/4.2
Merge branch 'DDBNEXT-974-BOZ' into release/4.2
https://jira.deutsche-digitale-bibliothek.de/browse/DDBNEXT-1000: allow sending saved searches to multiple recipients
Merge branch 'DDBNEXT-1000' into develop