Merge pull request crossbario#100 from bsergean/user/bsergeant/add_ix…

…websocket_reference

Add reference to IXWebSocket library

README.md

@@ -113,6 +113,7 @@ Autobahn|Testsuite is used by numerous projects and companies across the industr
       <li><a href="http://code.google.com/p/zaproxy/" target="_blank">zaproxy</a></li>
       <li><a href="https://github.com/boostorg/beast" target="_blank">Boost/Beast</a></li>
       <li><a href="https://github.com/IBM-Swift/Kitura-WebSocket-NIO" target="_blank">Kitura-WebSocket-NIO</a></li>
+      <li><a href="https://github.com/machinezone/IXWebSocket" target="_blank">IXWebSocket</a></li>
       <li>... and more (can't keep up)</li>
   </ul>
 </div>