Update docs and example page

docs/modules/RichText.html

@@ -58,7 +58,6 @@
   <li><a href="../modules/Input.html">Input</a></li>
   <li><a href="../modules/LangText.html">LangText</a></li>
   <li><a href="../modules/Layout.html">Layout</a></li>
-  <li><a href="../modules/PinKnob.html">PinKnob</a></li>
   <li><a href="../modules/Progress.html">Progress</a></li>
   <li><a href="../modules/RadioGroup.html">RadioGroup</a></li>
   <li><a href="../modules/RichInput.html">RichInput</a></li>
@@ -184,10 +183,6 @@ type druid.rich_text.metrics = {
 	<td class="summary">The component druid instance</td>
 	</tr>
 	<tr>
-	<td class="name" nowrap><a href="#icon_prefab">icon_prefab</a></td>
-	<td class="summary">The icon prefab node</td>
-	</tr>
-	<tr>
 	<td class="name" nowrap><a href="#root">root</a></td>
 	<td class="summary">The root node of the Rich Text</td>
 	</tr>
@@ -513,26 +508,6 @@ Words &lt;nobr&gt;inside tag&lt;/nobr&gt; won't <span class="keyword">break</spa
 
 
 
-</dd>
-    <dt>
-    <a name = "icon_prefab"></a>
-    <strong>icon_prefab</strong>
-    </dt>
-    <dd>
-    The icon prefab node
-
-
-    <ul>
-        <li><span class="parameter">icon_prefab</span>
-            <span class="types"><span class="type">node</span></span>
-
-        </li>
-    </ul>
-
-
-
-
-
 </dd>
     <dt>
     <a name = "root"></a>