Update export demo for recent version of export plugin

Change-Id: Id2e318874e0031cdcd833d0a28a6ab37889047c3
diff --git a/dev/demo/export.js b/dev/demo/export.js
index d7548b2..ef1c313 100644
--- a/dev/demo/export.js
+++ b/dev/demo/export.js
@@ -32,7 +32,7 @@
       'classes' : [ 'button-icon', 'plugin' ],
       'onClick' : {
         'action' : 'addWidget',
-        'template' : 'http://localhost:7777/res/export.html'
+        'template' : 'http://localhost:7777/export'
       }
     } ]
   });