Fix bugs in html.Outputter which output different header and row columns.
Fix bugs in html.Outputter which output different header and row columns.

foam-framework/foam2,jacksonic/vjlofvhjfgm,foam-framework/foam2,foam-framework/foam2,foam-framework/foam2,foam-framework/foam2,jacksonic/vjlofvhjfgm,jacksonic/vjlofvhjfgm