mapbox/mapbox.js — pull request #694 by camilleanne (2014-03-01 01:05:39+00:00)
Title: center property now actually optional in tilejson

Fixed bug where center property wasn't optional in [tilejson](https://github.com/mapbox/tilejson-spec/tree/master/2.1.0). Maps without a center property will wait for map.setView()