mapbox/tilelive-mapnik — pull request #82 by mojodna (2014-07-06 05:57:38+00:00)
Title: Correct UTF grid content type

UTF grids should be served up as JSON. This matches [tilelive-vector's behavior](https://github.com/mapbox/tilelive-vector/blob/4979d339b4324c6cea392ba184aa26350f0fbeb4/index.js#L135-L136).