Merge branch 'release-hf-1.16' into hotfix_bescheid

# Conflicts:
#	bescheid-manager/pom.xml
#	bescheid-manager/src/main/java/de/ozgcloud/bescheid/smartdocuments/SmartDocumentsBescheidRemoteService.java
#	bescheid-manager/src/main/java/de/ozgcloud/bescheid/smartdocuments/SmartDocumentsConfiguration.java
#	bescheid-manager/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports
#	mail-service/pom.xml
#	notification-manager/pom.xml
#	pluto-command/pom.xml
#	pluto-common/pom.xml
#	pluto-interface/pom.xml
#	pluto-server/pom.xml
#	pluto-utils/pom.xml
#	pom.xml