title: Do pretty UIActivityIndicatorView
body: <p>I saw once a library that can do nice <code>UIActivityIndicatorView</code> easily but I can not find it. Someone knows or knows another way to make nice <code>UIActivityIndicatorView</code> ? something like that
  <img src="https://i.stack.imgur.com/rHRJu.png" alt="http://hpics.li/64d7b07"></p>