title: $().live(function(){}); and jQuery.browser is undefined in jquery 1.9.0
body: <p><code>$().live(function(){});</code> and <code>jQuery.browser</code> is <code>undefined</code> in jQuery 1.9.0</p>
  
  <p>If I user jQuery 1.8.3 instead of jquery 1.9.0 it is working fine in my project.</p>
  
  <p>And what are the functions undefined and why?</p>