Adding Kevin Ghim and Matthew Ruttley, welcoming back Thunderbird.

git-svn-id: https://svn.mozilla.org/projects/planet@135499 4eb1ac78-321c-0410-a911-ec516a8615a5

branches/planet/config.ini

@@ -2314,3 +2314,12 @@ name = Pomax
 
 [https://miketaylr.com/posts/rss.xml]
 name = Mike Taylor
+
+[https://blog.mozilla.org/thunderbird/feed/]
+name = Mozilla Thunderbird
+
+[http://ikigomu.com/?feed=rss2]
+name = Matthew Ruttley
+
+[http://kevinghim.tumblr.com/rss]
+name = Kevin Ghim