Switch to side-by-side view

--- a/website/index.html
+++ b/website/index.html
@@ -47,7 +47,7 @@
 
       <p><span class="application">Recoll</span> is free, open source,
 	and GPL-licensed. The current version is
-	<a class="important" href="download.html">1.6.3</a></p>
+	<a class="important" href="download.html">1.7.5</a></p>
       <p>We borrow a lot of code
 	from other packages, and welcome code and ideas from
 	contributors, see the <a class="important"