Rename @domain property in campfire.coffee.
Rename @domain property in campfire.coffee.

@domain is a property of EventEmitter now, so renamed to @host. This fixes #311

hcxiong/hubot,kristenmills/hubot,krahman/hubot,mchill/hubot,julianromera/hubot,SIOPCO/hubot,andrewpong/awp-hubot,blackwellops/hubot,Snorlock/hubot,yyolk/glitchby,kkirsche/hubot,daudich/hubot,nakaearth/myhubot,will/willbot,pchaigno/hubot,mjurczyk/hubot,aslihandincer/hubot,howprice/hubot,awbauer/hubot,ClaudeBot/hubot,ykelvis/hubot,kgrz/hubot,keyvanakbary/hubot,leohmoraes/hubot,eetuuuu/hubot,codydaig/hubot,mrb/hubot,GrimDerp/hubot,alexchenfeng/hubot,hubotio/hubot,voltsdigital/hubot,mujiansu/hubot,github/hubot,edorsey/hubot,davidkassa/hubot,broccolini/hubot,rileytg/chenbot,fstehle/hubot,b3nj4m/hubot,doudoupower/hubot,mcifani/dog-yoda,lizardpie/hubot,dopeboy/hubot,brodul/hubot,zvelo/hubot,sdimkov/hubot,andrewpong/awp-hubot,ajschex/hubot,scboucher/hubot,decaffeinate-examples/hubot,wyncode/hubot,cameronmcefee/hubot,rayatbuzzfeed/hubot,ykusumi/test-hubot,melexis/melexis-hubot,yujiroarai/hws-hubot,mauricionr/hubot,jschell/hubot,decaffeinate-examples/hubot,PopExpert/hubot,tiagochiavericosta/hubot,imkmf/bhamruby-hubot,ToriTomyuTomyu/nothing-yet,lisb/hubot,ToriTomyuTomyu/nothing-yet,rafaell-lycan/Hubot-X9,danielcompton/hubot,taojuntjpp/hubot,RiddickSky/hubot,msound/hubot,mcifani/dog-yoda,RavenB/hubot,lizardpie/hubot,alexchenfeng/hubot,PopExpert/hubot,bradparks/hubot__github_chat_bot,Drooids/hubot,broccolini/hubot,Arthraim/merlin,iDTLabssl/hubot,markstory/hubot,Hartmarken/hubot,craig5/hubot,lisb/hubot,PropertyUX/nubot,scboucher/hubot,cycomachead/hubot,hubotio/hubot,michaelansel/hubot,ouadie-lahdioui/hubot,will/willbot,alexchenfeng/hubot,geoffreyanderson/hubot,sharabash/hubot,jaketrent/moneypenny,jasonkarns/hubot,alucardzhou/hubot,vkhang55/hubot,PropertyUX/nubot,minted/hubot,ajayanandgit/hubot,rmdelo/appboy-hubot,mcanthony/hubot,github/hubot,markstory/hubot,nandub/hubot,WaleedAshraf/hubot,imkmf/bhamruby-hubot,gregkare/hubot,chadfurman/hubot,nandub/hubot,ddmng/brazil82-hubot,mutewinter/hubot,hotrannam/hubot,ooohiroyukiooo/hubot,skcript/skubot,shinvdu/hubot,CobyR/hubot,lisb/hubot,alexchenfeng/hubot,wieden-kennedy/hubot,eshamow/gutterbot,fgbreel/hubot,makii42/hubot,plated/hubot,armilam/lessonly-bort,alexchenfeng/hubot,bgranberry/hubot,rlugojr/hubot,AlexandrPuryshev/hubot,poppingtonic/hubot,alex-zhang/hubot,joshsobota/hubot,jianchen2580/hubot,jasonrhodes/botzero,Mattlk13/Hubot,limianwang/hubot,yyolk/glitchby,jaketrent/moneypenny,lukw00/hubot,rileytg/chenbot