Maintenance for http://fr.planet.wikimedia.org/

* Blog removed: L’Œuvre ouverte - http://blogs.leschampslibres.fr/wikisourcien/feed/
  This blog has been closed

* URL update: Garfieldairline - http://garfieldairlines.net/wordpress/?feed=rss2&tag=wikipedia-2s
  Feed URLs have been updated

Change-Id: Ib09bc394c19f5acefe5eb87ca7e2f21c54132deb
Merge "Maintenance for http://fr.planet.wikimedia.org/" into production