SP-133 / BIS-41 : Improve Optimistic Locking

...d/openbis/generic/server/CommonBusinessObjectFactory.java

...a/ch/systemsx/cisd/openbis/generic/server/ETLService.java

...cisd/openbis/generic/server/business/bo/DataSetTable.java

...isd/openbis/generic/server/business/bo/IDataSetTable.java

...cisd/openbis/generic/server/business/bo/ISampleTable.java

.../cisd/openbis/generic/server/business/bo/SampleTable.java

...neric/server/business/bo/datasetlister/DatasetLister.java

...erver/business/bo/datasetlister/DatasetVersionRecord.java

...eric/server/business/bo/datasetlister/IDatasetLister.java

...erver/business/bo/datasetlister/IDatasetListingQuery.java

...eneric/server/business/bo/samplelister/ISampleLister.java

.../server/business/bo/samplelister/ISampleListingQuery.java

...generic/server/business/bo/samplelister/SampleLister.java

.../server/business/bo/samplelister/SampleVersionRecord.java

...sd/openbis/generic/server/business/bo/AbstractBOTest.java

.../openbis/generic/server/business/bo/DataSetTableTest.java

...d/openbis/generic/server/business/bo/SampleTableTest.java