Merge pull request #341 from graphql/greenkeeper/eslint-4.2.0

Update eslint to the latest version 🚀

Author: wincent

package.json

@@ -81,7 +81,7 @@
     "chai": "3.5.0",
     "connect": "3.6.2",
     "coveralls": "2.13.1",
-    "eslint": "4.1.1",
+    "eslint": "4.2.0",
     "eslint-plugin-flowtype": "2.34.1",
     "express": "4.14.1",
     "express3": "*",