Add banner for hbasecon2017

src/main/site/site.xml

@@ -43,9 +43,14 @@
     </fluidoSkin>
   </custom>
   <bannerLeft>
+    <name>HBaseCon2017</name>
+    <src>images/hbasecon2017.png</src>
+    <href>https://easychair.org/cfp/hbasecon2017</href>
+    <!--
     <name/>
     <height>0</height>
     <width>0</width>
+-->
   </bannerLeft>
   <bannerRight>
     <name>Apache HBase</name>

src/main/site/xdoc/index.xml

@@ -83,6 +83,7 @@ Apache HBase is an open-source, distributed, versioned, non-relational database
 </section>
 
      <section name="News">
+       <p>June 12th, 2017 <a href="https://easychair.org/cfp/hbasecon2017">HBaseCon2017</a> in San Francisco</p>
         <p>December 8th, 2016 <a href="https://www.meetup.com/hbaseusergroup/events/235542241/">Meetup@Splice</a> in San Francisco</p>
        <p>September 26th, 2016 <a href="http://www.meetup.com/HBase-NYC/events/233024937/">HBaseConEast2016</a> at Google in Chelsea, NYC</p>
          <p>May 24th, 2016 <a href="http://www.hbasecon.com/">HBaseCon2016</a> at The Village, 969 Market, San Francisco</p>