mapbox/geojson.io — pull request #361 by brunosan (2014-06-07 03:28:44+00:00)
Title: Show area When Polygon

I had to:
* fix a broken dependency when installing
* include a mapbox.js plugin on the header
* edit an unrelated section of the code to validate `jshint`.
* Add `jshint` to `package.json` for travis.

![geojson_io](https://cloud.githubusercontent.com/assets/434029/3207622/f030963e-edf0-11e3-968a-f4a5afc97cd3.png)