SP-52 BIS-13: Support Uploading a File to a Drop Box from the Web GUI

...stemsx/cisd/common/io/ConcatenatedContentInputStream.java

...cisd/etlserver/api/v1/DataSetTypeToRegistratorMapper.java

...ch/systemsx/cisd/etlserver/api/v1/PutDataSetExecutor.java

.../ch/systemsx/cisd/etlserver/api/v1/PutDataSetService.java

...sd/etlserver/api/v1/PutDataSetTopLevelDataSetHandler.java

...msx/cisd/openbis/dss/generic/server/DataStoreService.java

...sd/openbis/dss/generic/server/DataStoreServiceLogger.java

...isd/openbis/dss/generic/shared/api/v1/FileInfoDssDTO.java

...isd/openbis/generic/client/web/client/IClientService.java

...penbis/generic/client/web/client/IClientServiceAsync.java

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

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

...d/openbis/generic/client/web/client/application/Dict.java

...t/web/client/application/framework/ComponentProvider.java

...lient/web/client/application/help/HelpPageIdentifier.java

...s/generic/client/web/client/application/menu/TopMenu.java

...ic/client/web/client/application/menu/top/ImportMenu.java

...ient/web/client/application/ui/CustomImportComponent.java

...lient/application/ui/CustomImportTypeSelectionWidget.java

...penbis/generic/client/web/client/dto/ApplicationInfo.java