java implementation of CleanupService

...because there were issues with the meta class when running the unit
tests as part of the build.

Change-Id: I8b5b1b8511c0fefab9356197af0002fbe790a503
Reviewed-on: http://gerrit.esdi-community.eu/3115
Tested-by: Jenkins <sitemple@igd.fraunhofer.de>
Reviewed-by: Simon Templer <simon.templer@igd.fraunhofer.de>
Tested-by: Simon Templer <simon.templer@igd.fraunhofer.de>