LMS-2240 Some refactorings, basic feature implemented for sample grids.

.../plugins/standard/AbstractDataMergingReportingPlugin.java

...er/plugins/standard/AbstractFileTableReportingPlugin.java

...eric/server/plugins/tasks/IterativeTableModelBuilder.java

...enbis/generic/client/web/client/ICommonClientService.java

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

...t/web/client/application/ui/grid/AbstractBrowserGrid.java

.../web/client/application/ui/grid/ColumnDefsAndConfigs.java

...t/web/client/application/ui/sample/SampleBrowserGrid.java

...is/generic/client/web/client/dto/SampleGridColumnIDs.java

...penbis/generic/client/web/server/CommonClientService.java

...s/generic/client/web/server/resultset/SampleProvider.java

...ch/systemsx/cisd/openbis/generic/server/CommonServer.java

...temsx/cisd/openbis/generic/server/CommonServerLogger.java

...eric/server/api/v1/GeneralInformationChangingService.java

...msx/cisd/openbis/generic/server/business/bo/SampleBO.java

...h/systemsx/cisd/openbis/generic/shared/ICommonServer.java

...emsx/cisd/openbis/generic/shared/basic/TableCellUtil.java

...stemsx/cisd/openbis/generic/shared/util/EntityHelper.java

...d/openbis/generic/shared/util/TypedTableModelBuilder.java

.../server/api/v1/GeneralInformationChangingServiceTest.java