Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/appengine_v1.html b/docs/dyn/appengine_v1.html
index effe6f7..3e7d192 100644
--- a/docs/dyn/appengine_v1.html
+++ b/docs/dyn/appengine_v1.html
@@ -72,7 +72,7 @@
 
 </style>
 
-<h1><a href="appengine_v1.html">Google App Engine Admin API</a></h1>
+<h1><a href="appengine_v1.html">App Engine Admin API</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
   <code><a href="appengine_v1.apps.html">apps()</a></code>