DOCS-700 adding links to planet.mongodb.org

Author: Sam Kleinman

source/index.txt

@@ -161,7 +161,8 @@ MongoDB. The following pages from the wiki are especially useful:
        :columns: 2
 
        - `10gen <http://10gen.com>`_
-       - `Meetup Events <http://www.mongodb.org/events/>`_
+       - `MongoDB Events <http://www.mongodb.org/events/>`_
+       - `Planet MongoDB <http://planet.mongodb..org/>`_
        - :wiki:`MongoDB Masters <MongoDB+Masters>`
        - `Slides and Video <http://www.10gen.com/presentations/>`_
        - :wiki:`Hosting Center <Hosting+Center>`

themes/mongodb/wikisidebar.html

@@ -49,6 +49,7 @@ <h3>MongoDB Wiki</h3>
    <ul>
      <li><a href="http://10gen.com">10gen</a></li>
      <li><a href="http://www.mongodb.org/events">MongoDB Events</a></li>
+     <li><a href="http://planet.mongodb.org">Planet MongoDB</a></li>
      <li><a href="http://mongodb.org/display/DOCS/MongoDB+Masters">MongoDB Masters</a></li>
      <li><a href="http://mongodb.org/display/DOCS/Slides+and+Video">Slides and Video</a></li>
      <!-- <li><a href="http://cookbook.mongodb.org/">Cookbook</a></li> -->