Add oauth2client as a completely separate library.

Reviewed in http://codereview.appspot.com/4630079/
diff --git a/samples/oauth2/dailymotion/welcome.html b/samples/oauth2/dailymotion/welcome.html
index 06fcb95..f86902f 100644
--- a/samples/oauth2/dailymotion/welcome.html
+++ b/samples/oauth2/dailymotion/welcome.html
@@ -8,9 +8,7 @@
   </head>
   <body>
     <p><a href="{{ logout }}">Logout</a></p>
-    <h2>First request with access_token in query parameter:</h2>
-    <pre>{{ content1 }} </pre>
-    <h2>Second request with access_token in header:</h2>
-    <pre>{{ content2 }} </pre>
+    <h2>Response body:</h2>
+    <pre>{{ content }} </pre>
   </body>
 </html>