chore(package): update eslint-config-airbnb-base to version 14.0.0

Closes #53

Author: greenkeeper[bot]

package.json

@@ -21,7 +21,7 @@
   "devDependencies": {
     "coveralls": "^2.11.6",
     "eslint": "^4.4.1",
-    "eslint-config-airbnb-base": "^11.0.1",
+    "eslint-config-airbnb-base": "^14.0.0",
     "eslint-plugin-import": "^2.2.0",
     "ghooks": "^2.0.0",
     "istanbul": "^0.4.2",