Update for 0.20.6

Author: knolleary

index.html

@@ -7,7 +7,7 @@
             <div class="content">
                 <h1>Node-RED</h1>
                 <h2>Flow-based programming for the Internet of Things</h2>
-                <p>Latest version: <a href="https://www.npmjs.com/package/node-red"><span class="node-red-latest-version">v0.20.5</span> (npm)</a></p>
+                <p>Latest version: <a href="https://www.npmjs.com/package/node-red"><span class="node-red-latest-version">v0.20.6</span> (npm)</a></p>
                 <!-- <img src="images/node-red-title-flow.png" /> -->
             </div>
         </div>