add hangouts

src/site/_includes/nav.html

 <nav>
   <form action="/search.html" id="cse-search-box">
     <div id="search">
       <input type="hidden" name="cx" value="011220921317074318178:i4mscbaxtru" />
       <input type="hidden" name="ie" value="UTF-8" />
       <input type="hidden" name="hl" value="en" />
       <input type="search" name="q" id="q" autocomplete="off" placeholder="Search"/>
     </div>
   </form>
 
@@ skipping 17 matching lines @@
         {% nav_link /docs/editor/ %}Dart Editor{% endnav_link %}
         {% nav_link /dartium/ %}Chromium with the Dart VM{% endnav_link %}
         {% nav_link /docs/getting-started/sdk/ %}SDK{% endnav_link %}
       </ul> </li>
     <li>Resources
       <ul>
         {% nav_link /samples/ %}Code Samples{% endnav_link %}
         {% nav_link /articles/ %}Articles{% endnav_link %}
         {% nav_link /support/faq.html %}FAQ{% endnav_link %}
         {% nav_link /slides/ %}Presentations{% endnav_link %}
+        {% nav_link /hangouts/ %}Hangouts{% endnav_link %}

[kathyw, 2012/05/22 15:46:34]

Unless we intend to make this page more than a bunch of links to videos, this
would probably be clearer as "Hangout Videos".

[sethladd, 2012/05/22 17:28:48]

Done.

         {% nav_link /resources/ %}More{% endnav_link %}
       </ul> </li>
     {% nav_link /support/ %}Contact Us{% endnav_link %}
   </ul>
 
   <div id="pluspage"><div class="g-plus" data-href="https://plus.google.com/109866369054280216564" data-width="100" data-height="131" data-theme="light"></div></div>
 </nav>