message: Only show webpack progress in dev, not build. Fixes an issue where jenkins log output is full of webpack progress.
diff: "version": "0.1.0",
  "private": true,
  "scripts": {
  - "dev": "rm -rf ./public/dist/ && webpack --watch",
  - "build": "rm -rf ./public/dist && NODE_ENV=production webpack --progress",
  + "dev": "rm -rf ./public/dist/ && webpack --watch --progress",
  + "build": "rm -rf ./public/dist && NODE_ENV=production webpack",
  "coverage": "jest --coverage .",
  "lint": "eslint --ext .js,.jsx,.ts,.tsx --color .",
  "test": "jest",
  