Merge pull request #124 from madhums/greenkeeper/eslint-4.1.0

Update eslint to the latest version 🚀

Author: madhums

package.json

@@ -41,7 +41,7 @@
     "babel-eslint": "~7.2.1",
     "babel-preset-stage-0": "~6.24.1",
     "babel-tape-runner": "~2.0.1",
-    "eslint": "~3.19.0",
+    "eslint": "~4.1.0",
     "nodemon": "~1.11.0",
     "supertest": "~3.0.0",
     "tape": "~4.7.0"