updated demo
added layer control
updated demo
works with overlays
overlay bug
fixed stamen urls
merge
Merge remote-tracking branch 'origin/master'
Merge branch 'fix-attribution'
Merge branch 'master' of github.com:leaflet-extras/leaflet-providers
Add highlighting using highlightjs lib.
Merge branch 'highlight-preview'
Merge branch 'master' of github.com:leaflet-extras/leaflet-providers into gh-pages