chore(package): update eslint to version 4.4.0

Closes #112

Author: greenkeeper[bot]

package.json

@@ -76,7 +76,7 @@
     "cz-conventional-changelog": "1.2.0",
     "dependency-check": "2.8.0",
     "doctoc": "1.3.0",
-    "eslint": "3.19.0",
+    "eslint": "4.4.0",
     "eslint-config-eslint": "4.0.0",
     "faucet": "0.0.1",
     "ghooks": "2.0.0",