LMS-1375 change variable names in most obvious places (Space group*)

...isd/openbis/dss/generic/server/HTMLDirectoryRenderer.java

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

...a/ch/systemsx/cisd/etlserver/BDSStorageProcessorTest.java

...ava/ch/systemsx/cisd/etlserver/DataStrategyStoreTest.java

...ystemsx/cisd/etlserver/TransferredDataSetHandlerTest.java

...penbis/dss/generic/server/DatasetDownloadServletTest.java

...st/java/ch/ethz/bsse/cisd/dsu/dss/FlowLaneFeederTest.java

...va/eu/basysbio/cisd/dss/TimeSeriesDataSetHandlerTest.java

...neric/client/web/client/application/model/GroupModel.java

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

...lient/web/client/application/ui/GroupSelectionWidget.java

...eb/client/application/ui/amc/AddRoleAssignmentDialog.java

...ication/ui/columns/specific/RoleAssignmentColDefKind.java

...on/ui/columns/specific/sample/CommonSampleColDefKind.java

...tion/ui/experiment/ProjectSelectionTreeGridContainer.java

...ent/application/ui/experiment/ProjectSelectionWidget.java

...plication/ui/project/AbstractProjectEditRegisterForm.java

...nt/web/client/application/ui/project/ProjectEditForm.java

...lient/application/ui/project/ProjectRegistrationForm.java

.../client/application/ui/user/ChangeUserSettingsDialog.java