Merge pull request #9 from matteoterrinoni/greenkeeper/rollup-0.60.0

Update rollup to the latest version 🚀

Author: matteoterrinoni

package.json

@@ -118,7 +118,7 @@
     "react-dom": "^16.3.2",
     "replace-in-file": "^3.4.0",
     "rimraf": "^2.6.1",
-    "rollup": "^0.59.0",
+    "rollup": "^0.60.0",
     "rollup-plugin-alias": "^1.4.0",
     "rollup-plugin-commonjs": "^9.0.0",
     "rollup-plugin-json": "^3.0.0",