fix moved feed URLs

WARNING:planet.runner:Feed has moved from
<http://wikilivres.wordpress.com/category/planete-wikimedia/feed/atom>
to <http://wikilivres.wordpress.com/category/planete-wikimedia/feed/atom/>

WARNING:planet.runner:Feed has moved from
<http://scinfolex.wordpress.com/tag/wikimedia/feed/atom/> to
<http://scinfolex.com/tag/wikimedia/feed/atom/>

WARNING:planet.runner:Feed has moved from
<http://otourly.wordpress.com/category/wikimedia/feed/atom>
to <http://otourly.wordpress.com/category/wikimedia/feed/atom/>

WARNING:planet.runner:Feed has moved from
<http://jastrow.wordpress.com/category/wiki/feed/atom>
to <http://jastrow.wordpress.com/category/wiki/feed/atom/>


WARNING:planet.runner:Feed has moved from
<http://daindwarf.wordpress.com/category/wikipedia/feed/atom>
to <http://daindwarf.wordpress.com/category/wikipedia/feed/atom/

Change-Id: Ic9730dac791f81f5d1074fb88c230d039dee6d5a