Upgraded reference to mapbox-gl to v0.29.0 to follow their latest webpack recommendations and support Windows dev. This is addressed in mapbox/mapbox-gl-js#3724

webpack.loaders.js

@@ -13,15 +13,6 @@ module.exports = [
       plugins: ['transform-runtime', 'transform-decorators-legacy', 'transform-class-properties'],
     }
   },
-  {
-    test: /\.js?$/,
-    include: /node_modules\/mapbox-gl\//,
-    loader: 'babel',
-    query: {
-      presets: ['react'],
-      plugins: ['transform-flow-strip-types'],
-    }
-  },
   {
     test: /\.(eot|svg|ttf|woff|woff2)$/,
     loader: 'file?name=fonts/[name].[ext]'
@@ -50,11 +41,6 @@ module.exports = [
     test: /\.json$/,
     loader: 'json-loader'
   },
-  {
-    test: /\.js$/,
-    include: /node_modules\/mapbox-gl\/js\/render\/shaders.js/,
-    loader: 'transform/cacheable?brfs'
-  },
   {
     test: /[\/\\](node_modules|global|src)[\/\\].*\.css$/,
     loaders: [