html5: bower

npm -g install bower

.bowerrc:
{
    "directory": "src/js/libs",
    "json": "bower.json"
}

bower.json:
{
  "name": "jukebox",
  "version": "0.1.0",
  "dependencies": {
    "bootstrap-css": "~3.0",
    "requirejs": "~2.1.4",
    "jquery": "~1.9.1"
  }
}

bower search moment
bower install momentjs --save