message: protocol designer: NODE_ENV=production for build
diff: "scripts": {
  "test": "echo \"Error: no test specified\" && exit 1",
  "lint": "standard",
  - "build": "npm run lint && webpack -p && cp index.html dist/",
  + "build": "npm run lint && NODE_ENV=production webpack -p && cp index.html dist/",
  "start": "webpack-dev-server --hot"
  },
  "private": true,
  