better advanced legend guide code snippets
Link to other carto doc
Upgrade Safari note.
Use section: tilemill.
TileMill dark design.
Add href to github link.
Fix style collision.
Merge branch 'help-sketch' of github.com:mapbox/tilemill into help-sketch
Merge pull request #1496 from mapbox/help-sketch

SIte refactor
fixed the intro box on the main tilemill docs page.
retina images
Merge remote-tracking branch 'origin/scale-factor' into retina-support
move retina graphics replacement into one place
pass tileSize parameter to tilelive-mapnik
Carto is now known as CartoCSS
No dialog when backing out of authorization
more retina support
add scale parameter
resolve merge conflict
add note about not worrying about failed command to insert the 900913.sql