* Add map prop/option `transformRequest`.
* Upgrade sinon package to webpack-compatible version.
* Fix test for map onLoad prop.
* Add test for new Map prop `transformRequest`.
* Document and cleanup new `tranformRequest` prop on Map component.
* 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