integrate #491 and changes to force away from obsolete stamen map types

0.9.3 change to osm:standard as default

more tweaks on the way to publishing stamen maps update.

adjust so that undefined basemaps are still toner-lite for now

tweak desc in package.json

Merge branch 'master' of github.com:NUKnightLab/StoryMapJS into master

don't use a var called matches. wtf chrome?

try retina approach from timeline

changelog

mockup toggle approach