Revises documentation and link slightly for Version 0.721, a=chris

diff --git a/en-US/pages/documentation.thtml b/en-US/pages/documentation.thtml
index 89257a4..6232c9b 100755
--- a/en-US/pages/documentation.thtml
+++ b/en-US/pages/documentation.thtml
@@ -1,5 +1,5 @@
 <div class="docs">
-<h1>Yioop! Documentation v 0.72</h1>
+<h1>Yioop! Documentation v 0.721</h1>
     <h2 id='toc'>Table of Contents</h2>
     <ul>
         <li><a href="#intro">Introduction</a></li>
@@ -323,6 +323,8 @@
     <li>Yioop! supports importing data from ARC, MediaWiki XML, and ODP
     RDF files, it also supports re-indexing of data from WebArchives created
     since version 0.66.</li>
+    <li>Besides standard output of a web page with ten links it is possible
+    to get query results in Open Search RSS format.</li>
     </ul>
     <p><a href="#toc">Return to table of contents</a>.</p>

@@ -864,6 +866,13 @@ would  multiply scores satisfying Chris Pollett  and on wikipedia.org by
 </li>

 </ul>
+<p>In addition, to using the search form interface to query Yioop! it is also
+possible to query Yioop! and get results in Open Search RSS format. To
+do that you can either directly type a URL into your browser of the form:</p>
+<pre>
+http://my-yioop-instance-host/?f=rss&amp;q=query+terms
+</pre>
+<p>Or you can write AJAX code that makes requests of URLs in this format.</p>
 <p>In
 the corner of the page with the main search form is a Settings-Signin element:
 </p>
diff --git a/en-US/pages/downloads.thtml b/en-US/pages/downloads.thtml
index edb77aa..dfbdefe 100755
--- a/en-US/pages/downloads.thtml
+++ b/en-US/pages/downloads.thtml
@@ -2,8 +2,8 @@
 <h2>Yioop! Releases</h2>
 <p>The Yioop! source code is still at an alpha stage. </p>
 <ul>
-<li><a href="http://www.seekquarry.com/viewgit/?a=archive&p=yioop&h=086ed7d360f3c6739bb41760805808682304d207&hb=eb5d93dae340a03e50c78ebd16eebecf01266315&t=zip"
-    >Version 0.72-ZIP</a></li>
+<li><a href="http://www.seekquarry.com/viewgit/?a=archive&p=yioop&h=c4aa1557604578a2b7c9b801c71a831a20242ffb&hb=6fd42f91a0de1c542f89556accb7ff44713efe28&t=zip"
+    >Version 0.721-ZIP</a></li>
 </li>
 <li><a href="http://www.seekquarry.com/viewgit/?a=archive&p=yioop&h=285678274124065f7071992f3c506d354f759379&hb=01e0c5cfa14265c88174ddd635542f72ddc3dac7&t=zip"
     >Version 0.701-ZIP</a></li>