Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/iam_v1.projects.html b/docs/dyn/iam_v1.projects.html
index 853c20f..b581731 100644
--- a/docs/dyn/iam_v1.projects.html
+++ b/docs/dyn/iam_v1.projects.html
@@ -72,9 +72,14 @@
 
 </style>
 
-<h1><a href="iam_v1.html">Google Identity and Access Management (IAM) API</a> . <a href="iam_v1.projects.html">projects</a></h1>
+<h1><a href="iam_v1.html">Identity and Access Management (IAM) API</a> . <a href="iam_v1.projects.html">projects</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
+  <code><a href="iam_v1.projects.roles.html">roles()</a></code>
+</p>
+<p class="firstline">Returns the roles Resource.</p>
+
+<p class="toc_element">
   <code><a href="iam_v1.projects.serviceAccounts.html">serviceAccounts()</a></code>
 </p>
 <p class="firstline">Returns the serviceAccounts Resource.</p>