if fontbakery run as main script add to sys.path #349
if fontbakery run as main script add to sys.path #349

davelab6/fontbakery,moyogo/fontbakery,moyogo/fontbakery,googlefonts/fontbakery,graphicore/fontbakery,googlefonts/fontbakery,graphicore/fontbakery,moyogo/fontbakery,graphicore/fontbakery,jessamynsmith/fontbakery,googlefonts/fontbakery