leaflet web demo for vector tiles does not work

[dkocich]

found here as demo https://leafletjs.com/plugins.html#vector-tiles

http://spatialserver.github.io/Leaflet.MapboxVectorTile/examples/confetti.html

e.g.

b.tiles.mapbox.com/v3/spatialdev.map-c9z2cyef/5/21/16.png:1 GET http://b.tiles.mapbox.com/v3/spatialdev.map-c9z2cyef/5/21/16.png 401 (Unauthorized)
MVTSource.js:231 GET http://spatialserver.spatialdev.com/services/postgis/cicos_2014/geom/vector-tiles/5/23/12.pbf?fields=type,id 404 (Not Found)