message: Bumping webpack related deps
diff: "sinon": "^4.0.0",
  "style-loader": "^0.18.2",
  "transform-loader": "^0.2.3",
  - "uglifyjs-webpack-plugin": "^0.4.6",
  - "url-loader": "^0.5.7",
  - "webpack": "^3.4.1",
  - "webpack-manifest-plugin": "1.3.1",
  - "webworkify-webpack": "2.0.5"
  + "uglifyjs-webpack-plugin": "^1.1.0",
  + "url-loader": "^0.6.2",
  + "webpack": "^3.8.1",
  + "webpack-manifest-plugin": "1.3.2",
  + "webworkify-webpack": "2.1.0"
  }
  }
  