chore(package): update eslint-config-airbnb-base to version 11.1.3

Closes #29

https://greenkeeper.io/

Author: greenkeeper[bot]

package.json

@@ -19,7 +19,7 @@
     "browserify": "14.1.0",
     "coveralls": "2.11.16",
     "eslint": "3.14.1",
-    "eslint-config-airbnb-base": "11.1.0",
+    "eslint-config-airbnb-base": "11.1.3",
     "eslint-plugin-import": "2.2.0",
     "istanbul": "0.4.5",
     "jsdom": "9.11.0",