chore(package): update eslint to version 3.16.1 (#791)

https://greenkeeper.io/

package.json

@@ -40,7 +40,7 @@
     "bootstrap": "^3.3.7",
     "bourbon": "^4.3.2",
     "clean-css": "^3.4.19",
-    "eslint": "^3.14.1",
+    "eslint": "^3.16.1",
     "eslint-plugin-lodash": "^2.3.3",
     "font-awesome": "^4.7.0",
     "greenkeeper": "^4.1.0",