- `MapControl` takes a `MapState` instance instead of list of viewport props
- Always return a new `MapState` object after transform
- Better naming of properties and methods
- Code consistency and error checking
- Tests cover more use cases
* Compile with buble and bundle with webpack
* Reduce number of dependencies
* Support for tree-shaking
* Standalone, easy-to-understand example with small package.json
* Tests now work under Node.js even when loading mapbox-gl.
* Fix travis config
