message: Add prepublish script
diff: {
  "name": "material-ui-pickers",
  - "version": "1.0.0-alpha.8g",
  + "version": "1.0.0-alpha.8",
  "description": "React components, that implements material design pickers for material-ui v1",
  "main": "dist/material-ui-pickers.cjs.js",
  "module": "dist/material-ui-pickers.es.js",
  "start": "cross-env NODE_ENV=development rollup --config --watch",
  "build": "cross-env NODE_ENV=development rollup --config",
  "webpack": "webpack",
  - "lint": "eslint ./src/**/*.js*"
  + "lint": "eslint ./src/**/*.js*",
  + "prepublish": "npm run test && npm run lint && npm run build"
  },
  "devDependencies": {
  "babel-cli": "^6.24.1",
  