title: Twitter Bootstraps config.json - what does it do?
body: <p>I'm trying to find a way to only include specific bootstrap sections (css or js) but so far I just write a list down of what I am using, then tick those boxes on their customiser page.</p>
  
  <p>However I noticed a <code>config.json</code> file that gets downloaded in the zip file, what does it do? I currently use <code>bower</code> as my asset package manager and <code>gulp</code> as my asset pipeline. But I don't think a <code>config.json</code> is relevant to them?</p>
  
  <p>Thank you.</p>