message: Update ESLint.
diff: "main": "lib/roboter.js",
  "dependencies": {
  "async": "2.4.1",
  - "eslint": "3.19.0",
  - "eslint-config-es": "0.8.11",
  + "eslint": "4.16.0",
  + "eslint-config-es": "0.9.0",
  "eslint-plugin-extended": "0.2.0",
  "eslint-plugin-mocha": "4.11.0",
  "eslint-plugin-react": "7.0.1",
  