Merge pull request #649 from 3cp/esm-dist

fix(all): change package.json module from es2015 back to native-modules

package.json

@@ -13,7 +13,7 @@
   "license": "MIT",
   "author": "Rob Eisenberg <[email protected]> (http://robeisenberg.com/)",
   "main": "dist/commonjs/aurelia-router.js",
-  "module": "dist/es2015/aurelia-router.js",
+  "module": "dist/native-modules/aurelia-router.js",
   "typings": "dist/aurelia-router.d.ts",
   "repository": {
     "type": "git",