chore(package): update eslint to version 3.16.0

Closes #19

https://greenkeeper.io/

Author: greenkeeper[bot]

package.json

@@ -15,7 +15,7 @@
     "eslint-plugin-import": "~2.2.0",
     "eslint-plugin-react": "~6.8.0",
     "eslint-plugin-jsx-a11y": "~2.2.3",
-    "eslint": "~3.11.1"
+    "eslint": "~3.16.0"
   },
   "scripts": {
     "test": "mocha",