fix and remove various planet feed URLs

ar-planet.log
Error 500 while updating feed http://mrooj42.maktoobblog.com/feed
-removed

de-planet.log
Error 404 while updating feed http://www.mathias-schindler.de/tag/wikipedia/feed/
- removed, Not found

en-planet.log
Error 500 while updating feed http://mariobehling.de/taxonomy/term/1089/feed
- removing? works in browser?

Error 403 while updating feed http://www.gpaumier.org/blog/topic/wikimedia/feed/
- fixed URL

Error 500 while updating feed http://www.stuartgeiger.com/wordpress/category/wikis/feed/
- Internal Server Error, can be fixed? removing

Error 404 while updating feed http://www.mollywhite.net/blog/?cat=wikimedia&feed=rss2
-removing, not found

fr-planet.log

Error 403 while updating feed http://www.gpaumier.fr/blog/sujet/wikimedia/feed/
- fixed URL

pl-planet.log
Error 500 while updating feed http://wikiźródła.pl/blog/?feed=rss2
- why? works in browser

uk-planet.log:Error 500 while updating feed http://wlm.org.ua/feed/
- can't establish a connection to the server at wlm.org.ua. ?

WARNING:planet.runner:Feed has moved from <http://www.finanzer.org/blog/category/wikimedia/feed>
to <http://www.finanzer.org/blog/category/wikimedia/feed/>  (fixed URL)

Change-Id: I2c20c0ada9dc5a59c7d887d7901e1e5719d92ab7
Merge "fix and remove various planet feed URLs" into production