[LMS-2367] introduced simple trash gui + minor renaming (group->space)

...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

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

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

...t/application/menu/administration/AdministrationMenu.java

...ient/web/client/application/ui/deletion/DeletionGrid.java

.../generic/client/web/client/dto/DeletionGridColumnIDs.java

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

...eneric/client/web/server/resultset/DeletionsProvider.java

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

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

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

...isd/openbis/generic/server/dataaccess/db/DeletionDAO.java

...ric/server/dataaccess/db/HibernateSearchDataProvider.java

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

...ric/shared/authorization/validator/DeletionValidator.java

...is/generic/shared/basic/dto/DatabaseModificationKind.java

.../systemsx/cisd/openbis/generic/shared/dto/DeletionPE.java