Update docs to not use UML diagrams. Fixes issue #148.
diff --git a/docs/epy/oauth2client.appengine.CredentialsModel-class.html b/docs/epy/oauth2client.appengine.CredentialsModel-class.html
index d77537c..3a98bfd 100644
--- a/docs/epy/oauth2client.appengine.CredentialsModel-class.html
+++ b/docs/epy/oauth2client.appengine.CredentialsModel-class.html
@@ -55,27 +55,11 @@
 <!-- ==================== CLASS DESCRIPTION ==================== -->
 <h1 class="epydoc">Class CredentialsModel</h1><p class="nomargin-top"><span class="codelink"><a href="oauth2client.appengine-pysrc.html#CredentialsModel">source&nbsp;code</a></span></p>
 <center>
-<center>  <map id="uml_class_diagram_for_oauth2cl_2" name="uml_class_diagram_for_oauth2cl_2">
-<area shape="rect" href="oauth2client.appengine.CredentialsModel-class.html#credentials" title="oauth2client.appengine.CredentialsModel.credentials" alt="" coords="221,377,323,396"/>
-<area shape="rect" href="oauth2client.appengine.CredentialsModel-class.html" title="Storage for OAuth 2.0 Credentials" alt="" coords="220,360,324,405"/>
-<area shape="rect" href="google.appengine.ext.db.PropertiedClass-class.html" title="Meta&#45;class for initializing Model classes properties." alt="" coords="17,28,527,47"/>
-<area shape="rect" href="javascript:void(0);" title="Allow subclasses to call __new__() with arguments." alt="" coords="17,49,527,68"/>
-<area shape="rect" href="javascript:void(0);" title="Creates a new instance of this model." alt="" coords="17,68,527,87"/>
-<area shape="rect" href="javascript:void(0);" title="Unique key for this entity." alt="" coords="17,87,527,105"/>
-<area shape="rect" href="javascript:void(0);" title="Writes this model instance to the datastore." alt="" coords="17,105,527,124"/>
-<area shape="rect" href="javascript:void(0);" title="Writes this model instance to the datastore." alt="" coords="17,124,527,143"/>
-<area shape="rect" href="javascript:void(0);" title="Deletes this entity from the datastore." alt="" coords="17,143,527,161"/>
-<area shape="rect" href="javascript:void(0);" title="Determine if entity is persisted in the datastore." alt="" coords="17,161,527,180"/>
-<area shape="rect" href="javascript:void(0);" title="Determine if this model instance has a complete key." alt="" coords="17,180,527,199"/>
-<area shape="rect" href="javascript:void(0);" title="Returns a list of all dynamic properties defined for instance." alt="" coords="17,199,527,217"/>
-<area shape="rect" href="javascript:void(0);" title="Alias for dyanmic_properties." alt="" coords="17,217,527,236"/>
-<area shape="rect" href="javascript:void(0);" title="Get the parent of the model instance." alt="" coords="17,236,527,255"/>
-<area shape="rect" href="javascript:void(0);" title="Get the parent&#39;s key." alt="" coords="17,255,527,273"/>
-<area shape="rect" href="javascript:void(0);" title="Generate an XML representation of this model instance." alt="" coords="17,273,527,292"/>
-<area shape="rect" href="javascript:void(0);" title="Soon to be removed alias for properties." alt="" coords="17,311,527,329"/>
-<area shape="rect" href="javascript:void(0);" title="Model is the superclass of all object entities in the datastore." alt="" coords="16,11,528,331"/>
+<center>  <map id="class_hierarchy_for_credential" name="class_hierarchy_for_credential">
+<area shape="rect" href="javascript:void(0);" title="google.appengine.ext.db.Model" alt="" coords="5,5,205,32"/>
+<area shape="rect" href="oauth2client.appengine.CredentialsModel-class.html" title="CredentialsModel" alt="" coords="45,61,165,88"/>
 </map>
-  <img src="uml_class_diagram_for_oauth2cl_2.gif" alt='' usemap="#uml_class_diagram_for_oauth2cl_2" ismap="ismap" class="graph-without-title" />
+  <img src="class_hierarchy_for_credential.gif" alt='' usemap="#class_hierarchy_for_credential" ismap="ismap" class="graph-without-title" />
 </center>
 </center>
 <hr />
@@ -264,7 +248,7 @@
       <span class="summary-type">&nbsp;</span>
     </td><td class="summary">
         <a href="oauth2client.appengine.CredentialsModel-class.html#_properties" class="summary-name" onclick="show_private();">_properties</a> = <code title="{'credentials': &lt;oauth2client.appengine.CredentialsProperty object at \
-0x1e20c50&gt;}"><code class="variable-group">{</code><code class="variable-quote">'</code><code class="variable-string">credentials</code><code class="variable-quote">'</code><code class="variable-op">: </code>&lt;oauth2client.appengine.Credenti<code class="variable-ellipsis">...</code></code>
+0x34bfc10&gt;}"><code class="variable-group">{</code><code class="variable-quote">'</code><code class="variable-string">credentials</code><code class="variable-quote">'</code><code class="variable-op">: </code>&lt;oauth2client.appengine.Credenti<code class="variable-ellipsis">...</code></code>
     </td>
   </tr>
   <tr>
@@ -331,7 +315,7 @@
     <dt>Value:</dt>
       <dd><table><tr><td><pre class="variable">
 <code class="variable-group">{</code><code class="variable-quote">'</code><code class="variable-string">credentials</code><code class="variable-quote">'</code><code class="variable-op">: </code>&lt;oauth2client.appengine.CredentialsProperty object at <span class="variable-linewrap"><img src="crarr.png" alt="\" /></span>
-0x1e20c50&gt;<code class="variable-group">}</code>
+0x34bfc10&gt;<code class="variable-group">}</code>
 </pre></td></tr></table>
 </dd>
   </dl>
@@ -361,7 +345,7 @@
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   <tr>
     <td align="left" class="footer">
-    Generated by Epydoc 3.0.1 on Thu Jun 14 08:01:57 2012
+    Generated by Epydoc 3.0.1 on Fri Jun 15 09:51:50 2012
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