gistfile1.html

 tree.tpl
 <apply template="home">
   <h2>Friendly hierarchical tree</h2>
	 <ul class="list-group">
	    <tree />
	  </ul>
 </apply>
 
 
tree_node.tpl
<tree>
<li class="list-group-item">
  <div>
		<nodevalue /> 
		<a href="/add/${nid}">
			<span class="glyphicon glyphicon-plus-sign"></span>
		</a>
	</div>
</li>
</tree>