code: function fetchRepoREADME (repo) {
    request({
      uri: 'https://api.github.com/repos/' + repo + '/readme',
      headers: _.extend(headers, {
  
        // Get raw README content
        'Accept': 'application/vnd.github.VERSION.raw'
      })
    },
    function (error, response, body) {
      if (!error && response.statusCode === 200) {
        lintMarkdown(body, repo);
      } else {
        if (response.headers['x-ratelimit-remaining'] === '0') {
          getAuthToken();
        } else {
          console.log('README for https://github.com/' + repo.blue + ' not found.'.red);
          return;
        }
      }
    });
  }
docs: Fetches a README from GitHub
  @param  {String} repo URL of repo to fetch