Build cleaner and easier to read docs for dynamic surfaces.

Reviewed in http://codereview.appspot.com/6376043/.
diff --git a/samples/api-python-client-doc/index.html b/samples/api-python-client-doc/index.html
index af9afbe..1710431 100644
--- a/samples/api-python-client-doc/index.html
+++ b/samples/api-python-client-doc/index.html
@@ -69,7 +69,7 @@
       <tr>
         <td><img class=icon src="{{ item.icons.x16 }}"/> {{ item.title }}</td>
         <td><a href="{{ item.documentationLink }}">Documentation</a></td>
-        <td><a href="/{{ item.name }}/{{ item.version }}">PyDoc</a></td>
+        <td><a href="/{{ item.name }}_{{ item.safe_version }}.html">PyDoc</a></td>
         <td>{{ item.name }}</td>
         <td>{{ item.version}}</td>
       </tr>