url argument for scaling tiles #87
show 512x512 tiles for retina display
remove scale slider from ui
adds toggle for print resolution (@4x)
point to 512 branch of tilelive-vector
update tests
first pass at downloading static map
Merge branch 'master' into 512

Conflicts:
	lib/style.js
	package.json
use node-mapnik@1.4.4
upgrade deps: cors, request, passport, passport-oath, mkdirp
in carto editor, read tabs as two spaces
Merge pull request #392 from mapbox/tab-to-space

in carto editor, read tabs as two spaces
trying to figure out swatch problems
Fix swatch bugs
fix problem with multiple swatches on a single line
properly display swatches for copy+pasted lines
remove unused parameter
more efficient clearing
use variable
Merge pull request #394 from mapbox/swatch-fix

Swatch fix