Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/vision_v1.html b/docs/dyn/vision_v1.html
index 39807de..1092166 100644
--- a/docs/dyn/vision_v1.html
+++ b/docs/dyn/vision_v1.html
@@ -72,14 +72,34 @@
 
 </style>
 
-<h1><a href="vision_v1.html">Google Cloud Vision API</a></h1>
+<h1><a href="vision_v1.html">Cloud Vision API</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
+  <code><a href="vision_v1.files.html">files()</a></code>
+</p>
+<p class="firstline">Returns the files Resource.</p>
+
+<p class="toc_element">
   <code><a href="vision_v1.images.html">images()</a></code>
 </p>
 <p class="firstline">Returns the images Resource.</p>
 
 <p class="toc_element">
+  <code><a href="vision_v1.locations.html">locations()</a></code>
+</p>
+<p class="firstline">Returns the locations Resource.</p>
+
+<p class="toc_element">
+  <code><a href="vision_v1.operations.html">operations()</a></code>
+</p>
+<p class="firstline">Returns the operations Resource.</p>
+
+<p class="toc_element">
+  <code><a href="vision_v1.projects.html">projects()</a></code>
+</p>
+<p class="firstline">Returns the projects Resource.</p>
+
+<p class="toc_element">
   <code><a href="#new_batch_http_request">new_batch_http_request()</a></code></p>
 <p class="firstline">Create a BatchHttpRequest object based on the discovery document.</p>
 <h3>Method Details</h3>