{
  "dependencies": {
    "bower": "1.7.9"
  },
  "scripts": {
    "postinstall": "./node_modules/bower/bin/bower install"
  }
}

{
  "dependencies": {
    "bower": "1.7.9"
  },
  "scripts": {
    "postinstall": "./node_modules/bower/bin/bower cache clean && ./node_modules/bower/bin/bower install"
  }
}

Add bower cache clean to build script.
Add bower cache clean to build script.
