Introduce touch gesture for hint menu

Change-Id: I63e55405ea0d4df8a51932f96c6bbd312ebe4388
diff --git a/dev/demo/plugin-server.html b/dev/demo/plugin-server.html
index 1c87fa2..5065d41 100644
--- a/dev/demo/plugin-server.html
+++ b/dev/demo/plugin-server.html
@@ -7,7 +7,7 @@
         see https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP
     <meta http-equiv="Content-Security-Policy" content="default-src 'self'; img-src https://*; child-src 'none';">
 -->
-    <script data-main="/demo/menudemo.js" src="/js/lib/require.js" async="async"></script>
+    <script data-main="/demo/plugin-serverdemo.js" src="/js/lib/require.js" async="async"></script>
   </head>
   <body>
     <p>Start the demo server with <code>morbo -l 'http://*:3003' t/plugin-server.pl</code> and open <a href="http://localhost:3003/demo/plugin-server.html"><code>this website</code></a>.</p>