[LMS-1676] introduced SampleUpdateResult + refactorizations

.../generic/client/web/client/ICommonClientServiceAsync.java

...s/generic/client/web/client/application/ui/CodesArea.java

...nt/web/client/application/ui/data/DataSetParentsArea.java

.../systemsx/cisd/openbis/generic/shared/basic/dto/Code.java

...openbis/generic/shared/basic/dto/DataSetUpdateResult.java

...nbis/generic/shared/basic/dto/ExperimentUpdateResult.java

.../openbis/generic/shared/basic/dto/SampleUpdateResult.java

...a/ch/systemsx/cisd/openbis/generic/shared/dto/DataPE.java

...ugin/generic/client/web/client/IGenericClientService.java

...generic/client/web/client/IGenericClientServiceAsync.java

...eb/client/application/dataset/GenericDataSetEditForm.java

...ent/application/experiment/GenericExperimentEditForm.java

.../web/client/application/sample/GenericSampleEditForm.java

...ric/client/web/client/application/sample/SamplesArea.java

...lugin/generic/client/web/server/GenericClientService.java

...msx/cisd/openbis/plugin/generic/server/GenericServer.java

...sd/openbis/plugin/generic/server/GenericServerLogger.java

...sx/cisd/openbis/plugin/generic/shared/IGenericServer.java

...cisd/openbis/plugin/generic/server/GenericServerTest.java

...penbis/plugin/generic/shared/IGenericServer.java.expected