code: function cloneSeed() {
    return Q.Promise(function(resolve, reject) {
      var repo = 'https://github.com/olivejs/seed-' + options.seed + '.git';
      var cwd = process.cwd();
      cmd('git', ['clone', repo, cwd])
        .then(function() {
          fs.removeSync(path.join(cwd, '.git'));
          resolve();
        })
        .fail(function(err) {
          reject(err);
        });
    });
  }
docs: Clone seed repo and delete .git directory
  @return Promise