Clean up frame and column summary rendering
Clean up frame and column summary rendering

h2oai/h2o-flow,printedheart/h2o-flow,printedheart/h2o-flow,printedheart/h2o-flow,junwucs/h2o-flow,junwucs/h2o-flow,nilbody/h2o-flow,nilbody/h2o-flow,nilbody/h2o-flow,h2oai/h2o-flow,junwucs/h2o-flow