chore(package): update eslint to version 4.9.0

Closes #10

Author: greenkeeper[bot]

package.json

@@ -44,7 +44,7 @@
     "compression": "1.0.3",
     "cors": "2.8.3",
     "coveralls": "2.13.1",
-    "eslint": "3.19.0",
+    "eslint": "4.9.0",
     "eslint-config-fullcube": "2.0.2",
     "faker": "4.1.0",
     "helmet": "3.6.1",