Merge branch 'refs/heads/release' into merge-hotfix

# Conflicts:
#	bescheid-manager/pom.xml
#	pom.xml
#	vorgang-manager-base/pom.xml
#	vorgang-manager-command/pom.xml
#	vorgang-manager-interface/pom.xml
#	vorgang-manager-server/pom.xml
#	vorgang-manager-utils/pom.xml

vorgang-manager-server/pom.xml

@@ -57,7 +57,7 @@
 		<processor-manager.version>0.4.1</processor-manager.version>
 		<nachrichten-manager.version>2.10.0</nachrichten-manager.version>
 		<ozgcloud-starter.version>0.10.0</ozgcloud-starter.version>
-		<notification-manager.version>2.8.0</notification-manager.version>
+		<notification-manager.version>2.9.0</notification-manager.version>
 
 		<zip.version>2.11.1</zip.version>
 		<jsoup.version>1.15.3</jsoup.version>