Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/people_v1.html b/docs/dyn/people_v1.html
index 6c147a1..69f42f7 100644
--- a/docs/dyn/people_v1.html
+++ b/docs/dyn/people_v1.html
@@ -72,9 +72,14 @@
 
 </style>
 
-<h1><a href="people_v1.html">Google People API</a></h1>
+<h1><a href="people_v1.html">People API</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
+  <code><a href="people_v1.contactGroups.html">contactGroups()</a></code>
+</p>
+<p class="firstline">Returns the contactGroups Resource.</p>
+
+<p class="toc_element">
   <code><a href="people_v1.people.html">people()</a></code>
 </p>
 <p class="firstline">Returns the people Resource.</p>