code: protected CommandGroup getTablePopupMenuCommandGroup()
      {
          return getApplicationConfig().commandManager().createCommandGroup(Lists.newArrayList(getEditRowCommand(), "separator",
                  getAddRowCommand(), getCloneRowCommand(), getRemoveRowsCommand(), "separator",
                  getRefreshCommand(), "separator", getCopySelectedRowsToClipboardCommand()));
      }
docs: Returns the commandGroup that should be used to create the popup menu for the table.