Change build IRC notifications to only occur if the build status changes.
Change build IRC notifications to only occur if the build status changes.

eino-makitalo/mezzanine,saintbird/mezzanine,ZeroXn/mezzanine,frankier/mezzanine,dustinrb/mezzanine,gbosh/mezzanine,Cajoline/mezzanine,dustinrb/mezzanine,fusionbox/mezzanine,douglaskastle/mezzanine,ZeroXn/mezzanine,saintbird/mezzanine,guibernardino/mezzanine,Skytorn86/mezzanine,frankier/mezzanine,orlenko/sfpirg,promil23/mezzanine,jerivas/mezzanine,wyzex/mezzanine,frankchin/mezzanine,emile2016/mezzanine,joshcartme/mezzanine,fusionbox/mezzanine,AlexHill/mezzanine,adrian-the-git/mezzanine,tuxinhang1989/mezzanine,ryneeverett/mezzanine,dovydas/mezzanine,viaregio/mezzanine,agepoly/mezzanine,mush42/mezzanine,christianwgd/mezzanine,wyzex/mezzanine,readevalprint/mezzanine,industrydive/mezzanine,eino-makitalo/mezzanine,spookylukey/mezzanine,gbosh/mezzanine,industrydive/mezzanine,Skytorn86/mezzanine,jjz/mezzanine,dekomote/mezzanine-modeltranslation-backport,damnfine/mezzanine,jerivas/mezzanine,biomassives/mezzanine,joshcartme/mezzanine,webounty/mezzanine,sjdines/mezzanine,wbtuomela/mezzanine,orlenko/sfpirg,molokov/mezzanine,joshcartme/mezzanine,readevalprint/mezzanine,nikolas/mezzanine,Cajoline/mezzanine,agepoly/mezzanine,gbosh/mezzanine,frankchin/mezzanine,promil23/mezzanine,theclanks/mezzanine,orlenko/plei,tuxinhang1989/mezzanine,webounty/mezzanine,gradel/mezzanine,webounty/mezzanine,ZeroXn/mezzanine,dekomote/mezzanine-modeltranslation-backport,agepoly/mezzanine,douglaskastle/mezzanine,damnfine/mezzanine,mush42/mezzanine,dovydas/mezzanine,PegasusWang/mezzanine,ryneeverett/mezzanine,sjuxax/mezzanine,ryneeverett/mezzanine,stephenmcd/mezzanine,damnfine/mezzanine,viaregio/mezzanine,tuxinhang1989/mezzanine,wbtuomela/mezzanine,orlenko/plei,orlenko/sfpirg,stephenmcd/mezzanine,spookylukey/mezzanine,stephenmcd/mezzanine,stbarnabas/mezzanine,jjz/mezzanine,dustinrb/mezzanine,dsanders11/mezzanine,sjdines/mezzanine,stbarnabas/mezzanine,mush42/mezzanine,spookylukey/mezzanine,orlenko/plei,adrian-the-git/mezzanine,jjz/mezzanine,dovydas/mezzanine,frankier/mezzanine,wrwrwr/mezzanine,sjuxax/mezzanine,scarcry/snm-mezzanine,batpad/mezzanine,readevalprint/mezzanine,emile2016/mezzanine,theclanks/mezzanine,douglaskastle/mezzanine,frankchin/mezzanine,molokov/mezzanine,sjdines/mezzanine,Cajoline/mezzanine,gradel/mezzanine,vladir/mezzanine,nikolas/mezzanine,Cicero-Zhao/mezzanine,dsanders11/mezzanine,sjuxax/mezzanine,christianwgd/mezzanine,dekomote/mezzanine-modeltranslation-backport,batpad/mezzanine,cccs-web/mezzanine,vladir/mezzanine,theclanks/mezzanine,dsanders11/mezzanine,wyzex/mezzanine,scarcry/snm-mezzanine,vladir/mezzanine,molokov/mezzanine,viaregio/mezzanine,saintbird/mezzanine,geodesign/mezzanine,geodesign/mezzanine,biomassives/mezzanine,cccs-web/mezzanine,PegasusWang/mezzanine,SoLoHiC/mezzanine,SoLoHiC/mezzanine,scarcry/snm-mezzanine,emile2016/mezzanine,industrydive/mezzanine,AlexHill/mezzanine,guibernardino/mezzanine,Cicero-Zhao/mezzanine,PegasusWang/mezzanine,Skytorn86/mezzanine,promil23/mezzanine,christianwgd/mezzanine,adrian-the-git/mezzanine,eino-makitalo/mezzanine,Kniyl/mezzanine,SoLoHiC/mezzanine,Kniyl/mezzanine,wrwrwr/mezzanine,Kniyl/mezzanine,geodesign/mezzanine,nikolas/mezzanine,wbtuomela/mezzanine,biomassives/mezzanine,gradel/mezzanine,jerivas/mezzanine