added reference to Respond.js polyfill for those using CSS3 Media Queries.

Author: scottjehl

docs/api/mediahelpers.html

@@ -24,7 +24,7 @@ <h1>Responsive Layout Helpers</h1>
 
 			<div class="content-primary">
 			<h2>Media Query Helper Classes</h2>
-<p class="ui-bar-e ui-body"><strong>Note: This feature was deprecated in beta, and removed in 1.0rc1. We recommend using CSS3 Media Queries instead.</strong></p>
+<p class="ui-bar-e ui-body"><strong>Note: This feature was deprecated in beta, and removed in 1.0rc1. We recommend using CSS3 Media Queries instead.</strong> To support older versions of Internet Explorer, check out <a href="https://github.com/scottjehl/Respond">respond.js</a>, a fast &amp; lightweight polyfill for min/max-width CSS3 Media Queries.</p>
 			<p class="ui-bar-e ui-body">If you still need this feature, you can find the code here: <a href="https://raw.github.com/jquery/jquery-mobile/38d7ad8848f00b0921bf4ae723f3ad199eb851c1/js/jquery.mobile.media.classes.js">jquery.mobile.media.classes.js</a></p>
 
 			<p>jQuery Mobile adds classes to the <code>HTML</code> element that mimic browser orientation and common min/max-width CSS media queries. These classes are updated on load, resize and orientationchange, allowing you to key off these classes in your CSS, to create <a href="http://www.alistapart.com/articles/responsive-web-design/">responsive layouts</a> - even in browsers that don't support media queries! </p>