chore(package): Update nodeshift to the latest version 🚀 (#89)

* chore(package): update nodeshift to version 1.6.0

* chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

Author: greenkeeper[bot]

package-lock.json

@@ -52,7 +52,7 @@
     "eslint-plugin-react": "~7.7.0",
     "eslint-plugin-standard": "~3.0.1",
     "js-yaml": "^3.10.0",
-    "nodeshift": "~1.5.1",
+    "nodeshift": "~1.6.0",
     "nsp": "~3.2.1",
     "nyc": "~11.6.0",
     "proxyquire": "^2.0.0",