Change notification to only-notify-of-unnotified-messages.
Change notification to only-notify-of-unnotified-messages.

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