Merge pull request #1 from ra100/greenkeeper/eslint-4.4.0

chore(package): update eslint to version 4.4.0

Author: ra100

package.json

@@ -23,7 +23,7 @@
     "request": "^2.72.0"
   },
   "devDependencies": {
-    "eslint": "^3.12.0",
+    "eslint": "^4.4.0",
     "mocha": "^3.2.0",
     "nock": "^9.0.2"
   },