Switch to side-by-side view

--- a/website/index.html.en
+++ b/website/index.html.en
@@ -58,7 +58,7 @@
       </ul>
 
       <p>The current <span class="application">Recoll</span> version is
-	<a href="download.html">1.21.5</a> 
+	<a href="download.html">1.21.6</a> 
 	(<a href="release-1.21.html">Release notes</a>,
         <a href="BUGS.html">known
           bugs</a>, <a href="release-history.html">Release history</a>).</p>
@@ -98,6 +98,9 @@
       
       <dl>
 
+        <dt>2016-04-07</dt><dd>Release 1.21.6  adds KDE5 compatibility
+          for the KIO slave.</dd>
+        
         <dt>2016-01-29</dt><dd>Release 1.21.5 is out. It fixes a
           relatively nasty bug affecting all previous 1.21 versions:
           the query language parser processed incorrectly multiple