follow up changes from d80d37cfa26e60389d45d5e1247b858a0b78fa0e / https://github.com/uwdata/vega-lite-ui/pull/31
follow up changes from d80d37cfa26e60389d45d5e1247b858a0b78fa0e / https://github.com/uwdata/vega-lite-ui/pull/31

jsanch/voyager,sandbox/voyager,mkirchstein/voyager,sandbox/voyager,uwdata/voyager,vivekratnavel/voyager,hortonworks/voyager,vivekratnavel/voyager,uwdata/voyager,hortonworks/voyager,sandbox/voyager,hortonworks/voyager,jsanch/voyager,pallavkul/voyager,vivekratnavel/voyager,jsanch/voyager,pallavkul/voyager,uwdata/voyager,mkirchstein/voyager,mkirchstein/voyager,pallavkul/voyager