[LMS-2104] added contained data sets section

openbis/dist/server/web-client.properties

openbis/etc/web-client.properties

.../client/application/framework/DisplayTypeIDGenerator.java

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

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

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

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

...bis/generic/shared/basic/dto/DataSetRelationshipRole.java

...x/cisd/openbis/generic/shared/basic/dto/ExternalData.java

...b/client/application/dataset/DataSetContainedSection.java

.../web/client/application/dataset/GenericDataSetViewer.java