Add referTo per default to vc list

Change-Id: I7badcf7ba15036a8d54991959d28718016ae575c
diff --git a/dev/demo/vcdemo.js b/dev/demo/vcdemo.js
index a3957f3..a302fda 100644
--- a/dev/demo/vcdemo.js
+++ b/dev/demo/vcdemo.js
@@ -126,8 +126,7 @@
       ['title', 'string'],
       ['subTitle', 'string'],
       ['pubDate', 'date'],
-      ['author', 'text'],
-      ['@referTo', 'ref']
+      ['author', 'text']
     ]).fromJson(json);
 
     document.getElementById('vc-view').appendChild(vc.element());