Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/dataflow_v1b3.html b/docs/dyn/dataflow_v1b3.html
index ae0f691..137b335 100644
--- a/docs/dyn/dataflow_v1b3.html
+++ b/docs/dyn/dataflow_v1b3.html
@@ -72,7 +72,7 @@
 
 </style>
 
-<h1><a href="dataflow_v1b3.html">Google Dataflow API</a></h1>
+<h1><a href="dataflow_v1b3.html">Dataflow API</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
   <code><a href="dataflow_v1b3.projects.html">projects()</a></code>