Update Weather.wunder to use BeautifulSoup.  Remove the #! line and add a __contributors__ line.
Update Weather.wunder to use BeautifulSoup.  Remove the #! line and add a
__contributors__ line.

mazaclub/mazabot-core,Ban3/Limnoria,raboof/supybot,prashantpawar/supybot-rothbot,haxwithaxe/supybot,frumiousbandersnatch/supybot-code,Ban3/Limnoria,buildbot/supybot,jeffmahoney/supybot,ProgVal/Limnoria-test,mazaclub/mazabot-core,kblin/supybot-gsoc,ProgVal/Limnoria-test