edit the front page message with instructions for campaigns team

mediagoblin_libreplanet/templates/libreplanet/root.html

@@ -30,6 +30,7 @@
 {% block mediagoblin_content %}
   <h1>{% trans %}LibrePlanet{% endtrans %}</h1>
   <img  class="right_align" src="//static.fsf.org/nosvn/libreplanet/2015/graphical_assets/lp-logo-for-gmg.svg" />
+# CAMPAIGNS MODIFY BELOW
 <p>
   This site hosts media about free software and the amazing community
   that uses and builds it. Much of the media is from our yearly <a href="https://libreplanet.org/wiki/LibrePlanet:Conference">LibrePlanet
@@ -42,6 +43,7 @@
   freedom. The site itself is running <a href="http://mediagoblin.org">GNU
     MediaGoblin</a>, a wonderful free media hosting platform. Enjoy!
 </p>
+# CAMPAIGNS STOP modifying HERE
   <div class="clear"></div>
 
   <h2>{% trans %}Videos{% endtrans %}</h2>