title: Wordpress Custom post type + metabox doesn't save data
body: <p>When I save post, data in metabox aren't saved in database...where is the bug ?</p>
  
  <p>My code is here at: <a href="http://pastebin.com/jezygsuL" rel="nofollow">pastebin</a>.</p>
  
  <p>Thanks!</p>