Merge branch 'develop' of https://github.com/Deutsche-Digitale-Bibliothek/ddb-next into develop
bugfix/add-favorites: fix storing favorite
Merge branch 'develop' of https://github.com/Deutsche-Digitale-Bibliothek/ddb-next into develop
Merge branch 'develop' into bugfix/add-favorites

Conflicts:
	grails-app/controllers/de/ddb/next/ItemController.groovy
Merge branch 'develop' of https://github.com/Deutsche-Digitale-Bibliothek/ddb-next into develop
Merge branch 'develop' into bugfix/add-favorites
Merge branch 'bugfix/add-favorites' into develop