Update docs to not use UML diagrams. Fixes issue #148.
diff --git a/docs/epy/oauth2client.client.Credentials-class.html b/docs/epy/oauth2client.client.Credentials-class.html
index 2bc9a5b..dd89520 100644
--- a/docs/epy/oauth2client.client.Credentials-class.html
+++ b/docs/epy/oauth2client.client.Credentials-class.html
@@ -55,22 +55,15 @@
 <!-- ==================== CLASS DESCRIPTION ==================== -->
 <h1 class="epydoc">Class Credentials</h1><p class="nomargin-top"><span class="codelink"><a href="oauth2client.client-pysrc.html#Credentials">source&nbsp;code</a></span></p>
 <center>
-<center>  <map id="uml_class_diagram_for_oauth2cl_14" name="uml_class_diagram_for_oauth2cl_14">
-<area shape="rect" href="oauth2client.client.OAuth2Credentials-class.html" title="Credentials object for OAuth 2.0." alt="" coords="291,192,413,219"/>
-<area shape="rect" href="oauth2client.client.AssertionCredentials-class.html" title="Abstract Credentials object used for OAuth 2.0 assertion grants." alt="" coords="188,248,321,275"/>
-<area shape="rect" href="oauth2client.client.AccessTokenCredentials-class.html" title="Credentials object for OAuth 2.0." alt="" coords="372,248,529,275"/>
-<area shape="rect" href="oauth2client.appengine.AppAssertionCredentials-class.html" title="Credentials object for App Engine Assertion Grants" alt="" coords="16,304,237,331"/>
-<area shape="rect" href="oauth2client.client.SignedJwtAssertionCredentials-class.html" title="Credentials object used for OAuth 2.0 Signed JWT assertion grants." alt="" coords="288,304,480,331"/>
-<area shape="rect" href="oauth2client.client.Credentials-class.html#NON_SERIALIZED_MEMBERS" title="oauth2client.client.Credentials.NON_SERIALIZED_MEMBERS" alt="" coords="257,28,447,47"/>
-<area shape="rect" href="oauth2client.client.Credentials-class.html#authorize" title="Take an httplib2.Http instance (or equivalent) and authorizes it for the set of credentials, usually by replacing http.request() with a method that adds in the appropriate headers and then delegates to the original Http.request() method." alt="" coords="257,49,447,68"/>
-<area shape="rect" href="oauth2client.client.Credentials-class.html#refresh" title="Forces a refresh of the access_token." alt="" coords="257,68,447,87"/>
-<area shape="rect" href="oauth2client.client.Credentials-class.html#apply" title="Add the authorization to the headers." alt="" coords="257,87,447,105"/>
-<area shape="rect" href="oauth2client.client.Credentials-class.html#to_json" title="Creating a JSON representation of an instance of Credentials." alt="" coords="257,105,447,124"/>
-<area shape="rect" href="oauth2client.client.Credentials-class.html#new_from_json" title="Utility class method to instantiate a Credentials subclass from a JSON representation produced by to_json()." alt="" coords="257,124,447,143"/>
-<area shape="rect" href="oauth2client.client.Credentials-class.html#from_json" title="Instantiate a Credentials object from a JSON description of it." alt="" coords="257,143,447,161"/>
-<area shape="rect" href="oauth2client.client.Credentials-class.html" title="Base class for all Credentials objects." alt="" coords="256,11,448,163"/>
+<center>  <map id="class_hierarchy_for_credential_3" name="class_hierarchy_for_credential_3">
+<area shape="rect" href="oauth2client.appengine.AppAssertionCredentials-class.html" title="appengine.AppAssertionCredentials" alt="" coords="31,173,257,200"/>
+<area shape="rect" href="oauth2client.client.AccessTokenCredentials-class.html" title="AccessTokenCredentials" alt="" coords="5,117,168,144"/>
+<area shape="rect" href="oauth2client.client.AssertionCredentials-class.html" title="AssertionCredentials" alt="" coords="192,117,333,144"/>
+<area shape="rect" href="oauth2client.client.SignedJwtAssertionCredentials-class.html" title="SignedJwtAssertionCredentials" alt="" coords="281,173,481,200"/>
+<area shape="rect" href="oauth2client.client.Credentials-class.html" title="Credentials" alt="" coords="132,5,217,32"/>
+<area shape="rect" href="oauth2client.client.OAuth2Credentials-class.html" title="OAuth2Credentials" alt="" coords="109,61,240,88"/>
 </map>
-  <img src="uml_class_diagram_for_oauth2cl_14.gif" alt='' usemap="#uml_class_diagram_for_oauth2cl_14" ismap="ismap" class="graph-without-title" />
+  <img src="class_hierarchy_for_credential_3.gif" alt='' usemap="#class_hierarchy_for_credential_3" ismap="ismap" class="graph-without-title" />
 </center>
 </center>
 <hr />
@@ -535,7 +528,7 @@
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-    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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