title: How to build Twitter Bootstrap 3 using Grunt
body: <p>I've cloned Twitter Bootstrap 3 using git clone <a href="https://github.com/twbs/bootstrap.git" rel="nofollow">https://github.com/twbs/bootstrap.git</a>:</p>
  
  <p>Now, I am trying to build it using Grunt and I cannot find any documentation on how to do this. </p>
  
  <p>Where should I start? </p>