Enable DITA-OT Day banner

Signed-off-by: Roger Sheen <roger@infotexture.net>

index.html

@@ -3,19 +3,15 @@
 title: "DITA Open Toolkit"
 toc: false
 ---
-<!--
-<div style="text-align: center; padding-bottom: 10px">
-  <a href="https://www.oxygenxml.com/events/2016/dita-ot_day.html">
-    <img src="http://oxygenxml.com/img/banner_meetup_dita_ot_day_2016.jpg" alt="DITA-OT Day 2016"
-         class="img-responsive center-block">
-  </a>
-</div>
--->
 
 <div class="jumbotron">
   <h1>{{ page.title }}</h1>
   <p><strong><em>DITA-OT</em></strong> — DITA Open Toolkit is an open-source publishing engine for XML content
   authored in the <em>Darwin Information Typing Architecture</em> — extensible publishing power for DITA workflows.</p>
+
+  <a href="https://www.oxygenxml.com/events/2017/dita-ot_day.html">
+    <img src="images/banner_meetup_dita_ot_day_2017.png" alt="DITA-OT Day 2017" class="img-responsive center-block">
+  </a>
 </div>
 
 <div class="container marketing">