prj-42 fix per config setup; fix deserialization to json

...main/java/de/ozgcloud/bescheid/BescheidEventListener.java

...r/src/main/java/de/ozgcloud/bescheid/BescheidService.java

...d/smartdocuments/SmartDocumentsBescheidRemoteService.java

...a/de/ozgcloud/bescheid/vorgang/BescheidVorgangMapper.java

...main/java/de/ozgcloud/bescheid/vorgang/FormDataEntry.java

...ava/de/ozgcloud/bescheid/vorgang/FormDataEntryMapper.java

...de/ozgcloud/bescheid/vorgang/FormDataEntrySerializer.java

...r/src/main/java/de/ozgcloud/bescheid/vorgang/Vorgang.java

.../java/de/ozgcloud/bescheid/BescheidEventListenerTest.java

...tdocuments/SmartDocumentsBescheidRemoteServiceITCase.java

...zgcloud/bescheid/vorgang/FormDataEntrySerializerTest.java

...e/ozgcloud/bescheid/vorgang/VorgangRemoteServiceTest.java

bescheid-manager/src/test/resources/application-itcase.yml

pluto-common/pom.xml