SSDM-4843 : Configurable rsync on the DSS

...ch/systemsx/cisd/openbis/dss/generic/DataStoreServer.java

...d/openbis/dss/generic/server/plugins/standard/Copier.java

...s/generic/server/plugins/standard/IPathCopierFactory.java

...ic/server/plugins/standard/RsyncArchiveCopierFactory.java

...s/generic/server/plugins/standard/RsyncCopierFactory.java

.../plugins/standard/archiver/ArchiveDestinationFactory.java

...s/dss/generic/shared/utils/DssPropertyParametersUtil.java

...sx/cisd/openbis/dss/generic/shared/utils/RSyncConfig.java

...ic/server/plugins/standard/DataSetCopierForUsersTest.java

...ss/generic/server/plugins/standard/DataSetCopierTest.java

...er/plugins/standard/DataSetFileOperationsManagerTest.java