mapbox/tm2 — pull request #442 by bdon (2014-06-17 17:32:17+00:00)
Title: tabbed layers in source layer list can be toggled.

attached GIF

![toggle-sourcelayer](https://cloud.githubusercontent.com/assets/77501/3303923/4f129f10-f645-11e3-868b-3d2bc4477e6f.gif)