chore(package): update fly-esnext to version 2.0.1 (#1408)

https://greenkeeper.io/

Author: greenkeeper[bot]

package.json

@@ -102,7 +102,7 @@
     "fly": "2.0.5",
     "fly-babel": "2.1.1",
     "fly-clear": "1.0.1",
-    "fly-esnext": "2.0.0",
+    "fly-esnext": "2.0.1",
     "fly-watch": "1.1.1",
     "husky": "0.13.3-0",
     "jest-cli": "19.0.1",