chore(package): update eslint to version 4.4.0

Closes #165

Author: greenkeeper[bot]

package.json

@@ -28,7 +28,7 @@
     "atomlinter-csslint": "0.10.1"
   },
   "devDependencies": {
-    "eslint": "^3.15.0",
+    "eslint": "^4.4.0",
     "eslint-config-airbnb-base": "^11.1.0",
     "eslint-plugin-import": "^2.2.0"
   },