title: remove default border from JButton
body: <p>Hi just a quick question. I want to remove the ugly grey border the JButtons create.</p>
  
  <p><a href="http://gyazo.com/e9f57308190e1b6d49ac7b300fce2a4b" rel="nofollow">http://gyazo.com/e9f57308190e1b6d49ac7b300fce2a4b</a></p>
  
  <pre><code>    setBackground(null);
      .setOpaque(false);
      .setBorderPainted(false);
  </code></pre>
  
  <p>none of these work, im sure it's a one liner, any help appricated.</p>