Made RSS.announce require #channel,op.
Made RSS.announce require #channel,op.

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