sync with reference.json repo
sync with reference.json repo

1ec5/carto,whitelynx/carto,mapbox/carto,tomhughes/carto,CartoDB/carto,clhenrick/carto,stefanklug/carto,gravitystorm/carto,pnorman/carto,madeinqc/carto,CartoDB/carto,midnightcomm/carto