[OPENENGSB-3835] Corrected setters according to domain change
[OPENENGSB-3776] fetch query service and fix compile errors
Merge pull request #924 from stfnsche/master

[OPENENGSB-3776] fetch query service and fix compile errors
[OPENENGSB-3846] Fix that admin does not always have root permission
[OPENENGSB-3848] Make models of userprojects-domain serializable