remove community, redirect to support, clean up support

src/site/index.html

 ---
 layout: homepage
 googleapi: true
 js:
 - url: /js/display-news.js
 - url: /js/os-switcher.js
   defer: true
 - url: /js/editor-downloads-analytics.js
   defer: true
 - url: /js/editor-version.js
@@ skipping 390 matching lines @@
         <li><a href="http://stackoverflow.com/questions/tagged/dart">Get answers at Stack Overflow</a></li>
         <li><a href="https://plus.google.com/109866369054280216564/posts">Follow on G+</a>
           or <a href="http://twitter.com/dart_lang">Twitter</a></li>
         <li><a href="https://plus.google.com/communities/114566943291919232850">Join the G+ Dartisans community</a>
         <li><a href="http://dartbug.com/new">File feature requests and bugs</a></li>
         <li><a href="http://code.google.com/p/dart/wiki/Contributing">Submit a patch</a></li>
       </ul>
 
     <p>
       Also see:
-      <a href="/support/">Contact Us</a>,
-      <a href="/community/">Community Resources</a>
+      <a href="/support/">Support and Community Resources</a>
     </p>
   </div>
 </div>
 
 <aside class="alert alert-info">
   <b>Note:</b>
   You can write Dart apps using any recent version of
   {% include os-choices.html %}
   The Dart development tools <b>do not&nbsp;support Windows XP</b>.
   Dart Editor requires Java version 6 or higher.
 </aside>
 
 </section>
 
 </article> <!-- /.homepage -->