www: link to the planet clang newsfeed

Also shuffle the Communication section so the bug tracker comes first.

(The sidebar isn't scrollable at the moment so this gives a better chance of
the bug tracker being seen. The links further down are basically invisible --
we should look into that.)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@199398 91177308-0d34-0410-b5e6-96231b3b80d8

www/menu.html.incl

@@ -35,8 +35,9 @@
     <a href="http://lists.cs.uiuc.edu/mailman/listinfo/cfe-users">cfe-users List</a>
     <a href="http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev">cfe-dev List</a>
     <a href="http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits">cfe-commits List</a>
-    <a href="irc://irc.oftc.net/llvm">IRC: irc.oftc.net#llvm</a>
     <a href="http://llvm.org/bugs/">Bug Reports</a>
+    <a href="http://planet.clang.org/">Planet Clang</a>
+    <a href="irc://irc.oftc.net/llvm">IRC: irc.oftc.net#llvm</a>
   </div>
 
   <div class="submenu">