chore(package): update eslint-plugin-node to version 7.0.1

Closes #347

Author: greenkeeper[bot]

package.json

@@ -55,7 +55,7 @@
     "eslint-loader": "^2.0.0",
     "eslint-plugin-html": "^4.0.1",
     "eslint-plugin-import": "^2.8.0",
-    "eslint-plugin-node": "^6.0.0",
+    "eslint-plugin-node": "^7.0.1",
     "eslint-plugin-promise": "^3.6.0",
     "eslint-plugin-standard": "^3.0.1",
     "extract-text-webpack-plugin": "^3.0.2",