use node-mapnik@1.4.4
upgrade deps: cors, request, passport, passport-oath, mkdirp
auto fills projection of file and zooms to layer
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
merge issues
remove print flag and resolution toggle
keep text for settings menu in template
remove leaflet-image & print icon
move tile resolution notice so 2x tiles do not seem to be style options
Merge pull request #399 from mapbox/512

512 tiles for retina, 256 for standard, removed scale option
Remove obsolete check. Mapbox API checks flag access at request time.

Fixes #400