Merge pull request #20 from cangoektas/greenkeeper/rollup-0.64.0

Update rollup to the latest version 🚀

Author: cangoektas

package-lock.json

@@ -40,7 +40,7 @@
     "react": "^16.3.2",
     "react-dom": "^16.3.2",
     "rimraf": "^2.6.2",
-    "rollup": "^0.63.4",
+    "rollup": "^0.64.0",
     "rollup-plugin-babel": "^4.0.0-beta.4",
     "rollup-plugin-babel-minify": "^5.0.0",
     "rollup-plugin-node-resolve": "^3.3.0"