update video links

R=r
http://go/go-review/1024048

doc/root.html

@@ -28,7 +28,7 @@
   <table width="100%">
     <tr>
       <td align=center width="100%">
-        <a href="http://www.youtube.com/FIXME"><img src="/doc/video-snap.jpg"></a>
+        <a href="http://www.youtube.com/watch?v=wwoWei-GAPo"><img src="/doc/video-snap.jpg"></a>
       </td>
     </tr>
   </table>

lib/godoc/godoc.html

@@ -83,7 +83,7 @@
     <li><a href="/doc/effective_go.html">Effective Go</a></li>
     <li><a href="/doc/go_faq.html">FAQ</a></li>
     <li><a href="/doc/go_lang_faq.html">Language Design FAQ</a></li>
-    <li><a href="/XXX">Tech talk (1 hour)</a></li>
+    <li><a href="http://www.youtube.com/watch?v=rKnDgT73v8s">Tech talk (1 hour)</a> (<a href="/doc/go_talk-20091030.pdf">PDF</a>)</li>
     <li><a href="/doc/go_spec.html">Language Specification</a></li>
     <li><a href="/doc/go_mem.html">Memory Model</a></li>
     <li><a href="/doc/go_for_cpp_programmers.html">Go for C++ Programmers</a></li>