CartoDB/cartodb20 — pull request #143 by strk (2013-04-25 13:09:01+00:00)
Title: Change density wizard to use mapnik tokens instead of tile token

Using mapnik tokens makes metatiling effective.
Using different queries for different tiles, instead, results in
a waste of effort during rendering.

WARNING: it takes Windshaft-CartoDB 1.2.0 for this to work correctly