Add epydoc generated docs. Reviewed in http://codereview.appspot.com/6305043/
diff --git a/docs/epy/oauth2client.appengine-module.html b/docs/epy/oauth2client.appengine-module.html
new file mode 100644
index 0000000..852b03d
--- /dev/null
+++ b/docs/epy/oauth2client.appengine-module.html
@@ -0,0 +1,383 @@
+<?xml version="1.0" encoding="ascii"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+          "DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head>
+  <title>oauth2client.appengine</title>
+  <link rel="stylesheet" href="epydoc.css" type="text/css" />
+  <script type="text/javascript" src="epydoc.js"></script>
+</head>
+
+<body bgcolor="white" text="black" link="blue" vlink="#204080"
+      alink="#204080">
+<!-- ==================== NAVIGATION BAR ==================== -->
+<table class="navbar" border="0" width="100%" cellpadding="0"
+       bgcolor="#a0c0ff" cellspacing="0">
+  <tr valign="middle">
+
+  <!-- Tree link -->
+      <th>&nbsp;&nbsp;&nbsp;<a
+        href="module-tree.html">Trees</a>&nbsp;&nbsp;&nbsp;</th>
+
+  <!-- Index link -->
+      <th>&nbsp;&nbsp;&nbsp;<a
+        href="identifier-index.html">Indices</a>&nbsp;&nbsp;&nbsp;</th>
+
+  <!-- Help link -->
+      <th>&nbsp;&nbsp;&nbsp;<a
+        href="help.html">Help</a>&nbsp;&nbsp;&nbsp;</th>
+
+      <th class="navbar" width="100%"></th>
+  </tr>
+</table>
+<table width="100%" cellpadding="0" cellspacing="0">
+  <tr valign="top">
+    <td width="100%">
+      <span class="breadcrumbs">
+        <a href="oauth2client-module.html">Package&nbsp;oauth2client</a> ::
+        Module&nbsp;appengine
+      </span>
+    </td>
+    <td>
+      <table cellpadding="0" cellspacing="0">
+        <!-- hide/show private -->
+        <tr><td align="right"><span class="options">[<a href="javascript:void(0);" class="privatelink"
+    onclick="toggle_private();">hide&nbsp;private</a>]</span></td></tr>
+        <tr><td align="right"><span class="options"
+            >[<a href="frames.html" target="_top">frames</a
+            >]&nbsp;|&nbsp;<a href="oauth2client.appengine-module.html"
+            target="_top">no&nbsp;frames</a>]</span></td></tr>
+      </table>
+    </td>
+  </tr>
+</table>
+<!-- ==================== MODULE DESCRIPTION ==================== -->
+<h1 class="epydoc">Module appengine</h1><p class="nomargin-top"><span class="codelink"><a href="oauth2client.appengine-pysrc.html">source&nbsp;code</a></span></p>
+<pre class="literalblock">
+Utilities for Google App Engine
+
+Utilities for making it easier to use OAuth 2.0 on Google App Engine.
+
+</pre>
+
+<hr />
+<div class="fields">      <p><strong>Author:</strong>
+        jcgregorio@google.com (Joe Gregorio)
+      </p>
+</div><!-- ==================== CLASSES ==================== -->
+<a name="section-Classes"></a>
+<table class="summary" border="1" cellpadding="3"
+       cellspacing="0" width="100%" bgcolor="white">
+<tr bgcolor="#70b0f0" class="table-header">
+  <td colspan="2" class="table-header">
+    <table border="0" cellpadding="0" cellspacing="0" width="100%">
+      <tr valign="top">
+        <td align="left"><span class="table-header">Classes</span></td>
+        <td align="right" valign="top"
+         ><span class="options">[<a href="#section-Classes"
+         class="privatelink" onclick="toggle_private();"
+         >hide private</a>]</span></td>
+      </tr>
+    </table>
+  </td>
+</tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a href="oauth2client.appengine.InvalidClientSecretsError-class.html" class="summary-name">InvalidClientSecretsError</a><br />
+      The client_secrets.json file is malformed or missing required fields.
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a href="oauth2client.appengine.AppAssertionCredentials-class.html" class="summary-name">AppAssertionCredentials</a><br />
+      Credentials object for App Engine Assertion Grants
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a href="oauth2client.appengine.FlowProperty-class.html" class="summary-name">FlowProperty</a><br />
+      App Engine datastore Property for Flow.
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a href="oauth2client.appengine.CredentialsProperty-class.html" class="summary-name">CredentialsProperty</a><br />
+      App Engine datastore Property for Credentials.
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a href="oauth2client.appengine.StorageByKeyName-class.html" class="summary-name">StorageByKeyName</a><br />
+      Store and retrieve a single credential to and from
+the App Engine datastore.
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a href="oauth2client.appengine.CredentialsModel-class.html" class="summary-name">CredentialsModel</a><br />
+      Storage for OAuth 2.0 Credentials
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a href="oauth2client.appengine.OAuth2Decorator-class.html" class="summary-name">OAuth2Decorator</a><br />
+      Utility for making OAuth 2.0 easier.
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a href="oauth2client.appengine.OAuth2DecoratorFromClientSecrets-class.html" class="summary-name">OAuth2DecoratorFromClientSecrets</a><br />
+      An OAuth2Decorator that builds from a clientsecrets file.
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a href="oauth2client.appengine.OAuth2Handler-class.html" class="summary-name">OAuth2Handler</a><br />
+      Handler for the redirect_uri of the OAuth 2.0 dance.
+    </td>
+  </tr>
+</table>
+<!-- ==================== FUNCTIONS ==================== -->
+<a name="section-Functions"></a>
+<table class="summary" border="1" cellpadding="3"
+       cellspacing="0" width="100%" bgcolor="white">
+<tr bgcolor="#70b0f0" class="table-header">
+  <td colspan="2" class="table-header">
+    <table border="0" cellpadding="0" cellspacing="0" width="100%">
+      <tr valign="top">
+        <td align="left"><span class="table-header">Functions</span></td>
+        <td align="right" valign="top"
+         ><span class="options">[<a href="#section-Functions"
+         class="privatelink" onclick="toggle_private();"
+         >hide private</a>]</span></td>
+      </tr>
+    </table>
+  </td>
+</tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+      <table width="100%" cellpadding="0" cellspacing="0" border="0">
+        <tr>
+          <td><span class="summary-sig"><a href="oauth2client.appengine-module.html#oauth2decorator_from_clientsecrets" class="summary-sig-name">oauth2decorator_from_clientsecrets</a>(<span class="summary-sig-arg">filename</span>,
+        <span class="summary-sig-arg">scope</span>,
+        <span class="summary-sig-arg">message</span>=<span class="summary-sig-default">None</span>)</span><br />
+      Creates an OAuth2Decorator populated from a clientsecrets file.</td>
+          <td align="right" valign="top">
+            <span class="codelink"><a href="oauth2client.appengine-pysrc.html#oauth2decorator_from_clientsecrets">source&nbsp;code</a></span>
+            
+          </td>
+        </tr>
+      </table>
+      
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+      <table width="100%" cellpadding="0" cellspacing="0" border="0">
+        <tr>
+          <td><span class="summary-sig"><a name="main"></a><span class="summary-sig-name">main</span>()</span></td>
+          <td align="right" valign="top">
+            <span class="codelink"><a href="oauth2client.appengine-pysrc.html#main">source&nbsp;code</a></span>
+            
+          </td>
+        </tr>
+      </table>
+      
+    </td>
+  </tr>
+</table>
+<!-- ==================== VARIABLES ==================== -->
+<a name="section-Variables"></a>
+<table class="summary" border="1" cellpadding="3"
+       cellspacing="0" width="100%" bgcolor="white">
+<tr bgcolor="#70b0f0" class="table-header">
+  <td colspan="2" class="table-header">
+    <table border="0" cellpadding="0" cellspacing="0" width="100%">
+      <tr valign="top">
+        <td align="left"><span class="table-header">Variables</span></td>
+        <td align="right" valign="top"
+         ><span class="options">[<a href="#section-Variables"
+         class="privatelink" onclick="toggle_private();"
+         >hide private</a>]</span></td>
+      </tr>
+    </table>
+  </td>
+</tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a name="OAUTH2CLIENT_NAMESPACE"></a><span class="summary-name">OAUTH2CLIENT_NAMESPACE</span> = <code title="'oauth2client#ns'"><code class="variable-quote">'</code><code class="variable-string">oauth2client#ns</code><code class="variable-quote">'</code></code>
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a href="oauth2client.appengine-module.html#application" class="summary-name">application</a> = <code title="webapp.WSGIApplication([('/oauth2callback', OAuth2Handler)])">webapp.WSGIApplication([('/oauth2callback', OAut<code class="variable-ellipsis">...</code></code>
+    </td>
+  </tr>
+<tr>
+    <td width="15%" align="right" valign="top" class="summary">
+      <span class="summary-type">&nbsp;</span>
+    </td><td class="summary">
+        <a name="__package__"></a><span class="summary-name">__package__</span> = <code title="'oauth2client'"><code class="variable-quote">'</code><code class="variable-string">oauth2client</code><code class="variable-quote">'</code></code>
+    </td>
+  </tr>
+</table>
+<!-- ==================== FUNCTION DETAILS ==================== -->
+<a name="section-FunctionDetails"></a>
+<table class="details" border="1" cellpadding="3"
+       cellspacing="0" width="100%" bgcolor="white">
+<tr bgcolor="#70b0f0" class="table-header">
+  <td colspan="2" class="table-header">
+    <table border="0" cellpadding="0" cellspacing="0" width="100%">
+      <tr valign="top">
+        <td align="left"><span class="table-header">Function Details</span></td>
+        <td align="right" valign="top"
+         ><span class="options">[<a href="#section-FunctionDetails"
+         class="privatelink" onclick="toggle_private();"
+         >hide private</a>]</span></td>
+      </tr>
+    </table>
+  </td>
+</tr>
+</table>
+<a name="oauth2decorator_from_clientsecrets"></a>
+<div>
+<table class="details" border="1" cellpadding="3"
+       cellspacing="0" width="100%" bgcolor="white">
+<tr><td>
+  <table width="100%" cellpadding="0" cellspacing="0" border="0">
+  <tr valign="top"><td>
+  <h3 class="epydoc"><span class="sig"><span class="sig-name">oauth2decorator_from_clientsecrets</span>(<span class="sig-arg">filename</span>,
+        <span class="sig-arg">scope</span>,
+        <span class="sig-arg">message</span>=<span class="sig-default">None</span>)</span>
+  </h3>
+  </td><td align="right" valign="top"
+    ><span class="codelink"><a href="oauth2client.appengine-pysrc.html#oauth2decorator_from_clientsecrets">source&nbsp;code</a></span>&nbsp;
+    </td>
+  </tr></table>
+  
+  <pre class="literalblock">
+Creates an OAuth2Decorator populated from a clientsecrets file.
+
+Args:
+  filename: string, File name of client secrets.
+  scope: string or list of strings, scope(s) of the credentials being
+    requested.
+  message: string, A friendly string to display to the user if the
+    clientsecrets file is missing or invalid. The message may contain HTML and
+    will be presented on the web interface for any method that uses the
+    decorator.
+
+Returns: An OAuth2Decorator
+
+</pre>
+  <dl class="fields">
+  </dl>
+</td></tr></table>
+</div>
+<br />
+<!-- ==================== VARIABLES DETAILS ==================== -->
+<a name="section-VariablesDetails"></a>
+<table class="details" border="1" cellpadding="3"
+       cellspacing="0" width="100%" bgcolor="white">
+<tr bgcolor="#70b0f0" class="table-header">
+  <td colspan="2" class="table-header">
+    <table border="0" cellpadding="0" cellspacing="0" width="100%">
+      <tr valign="top">
+        <td align="left"><span class="table-header">Variables Details</span></td>
+        <td align="right" valign="top"
+         ><span class="options">[<a href="#section-VariablesDetails"
+         class="privatelink" onclick="toggle_private();"
+         >hide private</a>]</span></td>
+      </tr>
+    </table>
+  </td>
+</tr>
+</table>
+<a name="application"></a>
+<div>
+<table class="details" border="1" cellpadding="3"
+       cellspacing="0" width="100%" bgcolor="white">
+<tr><td>
+  <h3 class="epydoc">application</h3>
+  
+  <dl class="fields">
+  </dl>
+  <dl class="fields">
+    <dt>Value:</dt>
+      <dd><table><tr><td><pre class="variable">
+webapp.WSGIApplication([('/oauth2callback', OAuth2Handler)])
+</pre></td></tr></table>
+</dd>
+  </dl>
+</td></tr></table>
+</div>
+<br />
+<!-- ==================== NAVIGATION BAR ==================== -->
+<table class="navbar" border="0" width="100%" cellpadding="0"
+       bgcolor="#a0c0ff" cellspacing="0">
+  <tr valign="middle">
+
+  <!-- Tree link -->
+      <th>&nbsp;&nbsp;&nbsp;<a
+        href="module-tree.html">Trees</a>&nbsp;&nbsp;&nbsp;</th>
+
+  <!-- Index link -->
+      <th>&nbsp;&nbsp;&nbsp;<a
+        href="identifier-index.html">Indices</a>&nbsp;&nbsp;&nbsp;</th>
+
+  <!-- Help link -->
+      <th>&nbsp;&nbsp;&nbsp;<a
+        href="help.html">Help</a>&nbsp;&nbsp;&nbsp;</th>
+
+      <th class="navbar" width="100%"></th>
+  </tr>
+</table>
+<table border="0" cellpadding="0" cellspacing="0" width="100%%">
+  <tr>
+    <td align="left" class="footer">
+    Generated by Epydoc 3.0.1 on Tue Jun  5 09:03:05 2012
+    </td>
+    <td align="right" class="footer">
+      <a target="mainFrame" href="http://epydoc.sourceforge.net"
+        >http://epydoc.sourceforge.net</a>
+    </td>
+  </tr>
+</table>
+
+<script type="text/javascript">
+  <!--
+  // Private objects are initially displayed (because if
+  // javascript is turned off then we want them to be
+  // visible); but by default, we want to hide them.  So hide
+  // them unless we have a cookie that says to show them.
+  checkCookie();
+  // -->
+</script>
+</body>
+</html>