mapbox/tilemill — pull request #1532 by aibram (2012-06-22 21:16:46+00:00)
Title: Add scale factor setting

Note, I accidentally based the branch off of the bufferSize work (#1530) so thats all in here. I can change if needed. It will need a new tilelive-mapnik (pull request at mapbox/tilelive-mapnik#32)