Add 3.3.13 link to download page

Change-Id: I1edaf9927579cdaf64709076d8b4154dc7704e2f
Signed-off-by: lgoubet <laurent.goubet@obeo.fr>
diff --git a/download.html b/download.html
index 67e32e2..935376c 100755
--- a/download.html
+++ b/download.html
@@ -132,6 +132,10 @@
 <p class="wow fadeInDown" data-wow-duration="500ms" data-wow-delay=".4s"></p>
 
         <ul>
+		<li class="wow fadeInDown" data-wow-duration="500ms" data-wow-delay=".4s">3.3.13 - 
+            <a target="_blank" href="https://download.eclipse.org/modeling/emf/compare/updates/releases/3.3/R202011241436">https://download.eclipse.org/modeling/emf/compare/updates/releases/3.3/R202011241436</a> | 
+            <a target="_blank" href="https://www.eclipse.org/downloads/download.php?file=/modeling/emf/compare/downloads/drops/3.3.13/R202011241436/emf-compare-update-3.3.13.zip&protocol=https">Zipped Update Site</a> 
+        </li>
 		<li class="wow fadeInDown" data-wow-duration="500ms" data-wow-delay=".4s">3.3.12 - 
             <a target="_blank" href="https://download.eclipse.org/modeling/emf/compare/updates/releases/3.3/R202008311302">https://download.eclipse.org/modeling/emf/compare/updates/releases/3.3/R202008311302</a> | 
             <a target="_blank" href="https://www.eclipse.org/downloads/download.php?file=/modeling/emf/compare/downloads/drops/3.3.12/R202008311302/emf-compare-update-3.3.12.zip&protocol=https">Zipped Update Site</a>