Parse relation snippets

Change-Id: I41d7c091a95f7478126cfd56bbd9dba179797c9a
diff --git a/dev/demo/relationsdemo.js b/dev/demo/relationsdemo.js
index bba73ac..200894e 100644
--- a/dev/demo/relationsdemo.js
+++ b/dev/demo/relationsdemo.js
@@ -165,6 +165,11 @@
   // Todo: Probably rename to rel.draw()
   rel.show();
 
+  var rel2 = relClass.create(relSnippet);
+  document.getElementById("treeRel2").appendChild(rel2.element());
+  rel2.show();
+
+  
   var tree = treeClass.create(treeSnippet);
   document.getElementById("treeHier").appendChild(tree.element());
 });