don't refer to `SignalProducer`s as "signals" in comments
don't refer to `SignalProducer`s as "signals" in comments

calebd/ReactiveCocoa,tiger8888/ReactiveCocoa,yangshengchaoios/ReactiveCocoa,richeterre/ReactiveCocoa,towik/ReactiveCocoa,walkingsmarts/ReactiveCocoa,JohnJin007/ReactiveCocoa,zhiwen1024/ReactiveCocoa,beni55/ReactiveCocoa,howandhao/ReactiveCocoa,kevin-zqw/ReactiveCocoa,zzzworm/ReactiveCocoa,JackLian/ReactiveCocoa,cogddo/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,leelili/ReactiveCocoa,msdgwzhy6/ReactiveCocoa,almassapargali/ReactiveCocoa,jrmiddle/ReactiveCocoa,tonyli508/ReactiveCocoa,jaylib/ReactiveCocoa,ikesyo/ReactiveCocoa,imkerberos/ReactiveCocoa,shaohung001/ReactiveCocoa,hoanganh6491/ReactiveCocoa,hbucius/ReactiveCocoa,yoichitgy/ReactiveCocoa,huiping192/ReactiveCocoa,BrooksWon/ReactiveCocoa,walkingsmarts/ReactiveCocoa,AndyZhaoHe/ReactiveCocoa,dskatz22/ReactiveCocoa,loupman/ReactiveCocoa,tornade0913/ReactiveCocoa,qq644531343/ReactiveCocoa,gengjf/ReactiveCocoa,yaoxiaoyong/ReactiveCocoa,monkeydbobo/ReactiveCocoa,cogddo/ReactiveCocoa,Juraldinio/ReactiveCocoa,hbucius/ReactiveCocoa,emodeqidao/ReactiveCocoa,almassapargali/ReactiveCocoa,jeelun/ReactiveCocoa,Ricowere/ReactiveCocoa,jeelun/ReactiveCocoa,tonyli508/ReactiveCocoa,longv2go/ReactiveCocoa,Khan/ReactiveCocoa,bensonday/ReactiveCocoa,Juraldinio/ReactiveCocoa,brasbug/ReactiveCocoa,on99/ReactiveCocoa,on99/ReactiveCocoa,calebd/ReactiveCocoa,Eveian/ReactiveCocoa,taylormoonxu/ReactiveCocoa,goodheart/ReactiveCocoa,cnbin/ReactiveCocoa,zhenlove/ReactiveCocoa,mattpetters/ReactiveCocoa,add715/ReactiveCocoa,tonyarnold/ReactiveCocoa,tiger8888/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,sujeking/ReactiveCocoa,Ricowere/ReactiveCocoa,Liquidsoul/ReactiveCocoa,fhchina/ReactiveCocoa,SuPair/ReactiveCocoa,Farteen/ReactiveCocoa,smilypeda/ReactiveCocoa,nickcheng/ReactiveCocoa,leichunfeng/ReactiveCocoa,PSPDFKit-labs/ReactiveCocoa,isghe/ReactiveCocoa,yizzuide/ReactiveCocoa,kiurentu/ReactiveCocoa,taylormoonxu/ReactiveCocoa,brasbug/ReactiveCocoa,bscarano/ReactiveCocoa,xiaobing2007/ReactiveCocoa,jackywpy/ReactiveCocoa,KJin99/ReactiveCocoa,mtxs007/ReactiveCocoa,ceekayel/ReactiveCocoa,SuPair/ReactiveCocoa,valleyman86/ReactiveCocoa,SuPair/ReactiveCocoa,takeshineshiro/ReactiveCocoa,chieryw/ReactiveCocoa,tzongw/ReactiveCocoa,KuPai32G/ReactiveCocoa,AlanJN/ReactiveCocoa,almassapargali/ReactiveCocoa,tonyarnold/ReactiveCocoa,Ethan89/ReactiveCocoa,howandhao/ReactiveCocoa,kevin-zqw/ReactiveCocoa,Rupert-RR/ReactiveCocoa,icepy/ReactiveCocoa,Liquidsoul/ReactiveCocoa,towik/ReactiveCocoa,stupidfive/ReactiveCocoa,lixar/ReactiveCocoa,jaylib/ReactiveCocoa,zhukaixy/ReactiveCocoa,KJin99/ReactiveCocoa,add715/ReactiveCocoa,Ricowere/ReactiveCocoa,ddc391565320/ReactiveCocoa,nikita-leonov/ReactiveCocoa,goodheart/ReactiveCocoa,kaylio/ReactiveCocoa,Liquidsoul/ReactiveCocoa,dachaoisme/ReactiveCocoa,bensonday/ReactiveCocoa,longv2go/ReactiveCocoa,Rupert-RR/ReactiveCocoa,ikesyo/ReactiveCocoa,richeterre/ReactiveCocoa,zzqiltw/ReactiveCocoa,LHDsimon/ReactiveCocoa,nickcheng/ReactiveCocoa,liufeigit/ReactiveCocoa,fhchina/ReactiveCocoa,leelili/ReactiveCocoa,clg0118/ReactiveCocoa,terry408911/ReactiveCocoa,Ricowere/ReactiveCocoa,wpstarnice/ReactiveCocoa,dz1111/ReactiveCocoa,kaylio/ReactiveCocoa,hilllinux/ReactiveCocoa,chao95957/ReactiveCocoa,Khan/ReactiveCocoa,bscarano/ReactiveCocoa,j364960953/ReactiveCocoa,WEIBP/ReactiveCocoa,hoanganh6491/ReactiveCocoa,200895045/ReactiveCocoa,yaoxiaoyong/ReactiveCocoa,OneSmallTree/ReactiveCocoa,200895045/ReactiveCocoa,sandyway/ReactiveCocoa,Pingco/ReactiveCocoa,Eveian/ReactiveCocoa,buildo/ReactiveCocoa,vincentiss/ReactiveCocoa,ddc391565320/ReactiveCocoa,clg0118/ReactiveCocoa,OnTheWay1988/ReactiveCocoa,zhigang1992/ReactiveCocoa,bensonday/ReactiveCocoa,sandyway/ReactiveCocoa,dullgrass/ReactiveCocoa,DongDongDongDong/ReactiveCocoa,jaylib/ReactiveCocoa,stupidfive/ReactiveCocoa,stevielu/ReactiveCocoa,terry408911/ReactiveCocoa,xulibao/ReactiveCocoa,zhukaixy/ReactiveCocoa,mxxiv/ReactiveCocoa,GuitarPlayer-Ma/ReactiveCocoa,KuPai32G/ReactiveCocoa,qq644531343/ReactiveCocoa,shaohung001/ReactiveCocoa,yangyangluoluo/ReactiveCocoa,victorlin/ReactiveCocoa,kiurentu/ReactiveCocoa,beni55/ReactiveCocoa,liufeigit/ReactiveCocoa,leelili/ReactiveCocoa,jrmiddle/ReactiveCocoa,PSPDFKit-labs/ReactiveCocoa,longv2go/ReactiveCocoa,Ethan89/ReactiveCocoa,wangqi211/ReactiveCocoa,tzongw/ReactiveCocoa,libiao88/ReactiveCocoa,Eveian/ReactiveCocoa,loupman/ReactiveCocoa,jam891/ReactiveCocoa,itschaitanya/ReactiveCocoa,alvinvarghese/ReactiveCocoa,OnTheWay1988/ReactiveCocoa,hbucius/ReactiveCocoa,jrmiddle/ReactiveCocoa,CQXfly/ReactiveCocoa,luerhouhou/ReactiveCocoa,Pingco/ReactiveCocoa,zzqiltw/ReactiveCocoa,natan/ReactiveCocoa,mtxs007/ReactiveCocoa,xiaoliyang/ReactiveCocoa,shuxiashusheng/ReactiveCocoa,Farteen/ReactiveCocoa,kaylio/ReactiveCocoa,Khan/ReactiveCocoa,wangqi211/ReactiveCocoa,zhiwen1024/ReactiveCocoa,luerhouhou/ReactiveCocoa,paulyoung/ReactiveCocoa,jsslai/ReactiveCocoa,natestedman/ReactiveCocoa,stupidfive/ReactiveCocoa,hj3938/ReactiveCocoa,yoichitgy/ReactiveCocoa,buildo/ReactiveCocoa,fhchina/ReactiveCocoa,yangyangluoluo/ReactiveCocoa,GuitarPlayer-Ma/ReactiveCocoa,ericzhou2008/ReactiveCocoa,cnbin/ReactiveCocoa,WEIBP/ReactiveCocoa,zhaoguohui/ReactiveCocoa,walkingsmarts/ReactiveCocoa,pzw224/ReactiveCocoa,yonekawa/ReactiveCocoa,calebd/ReactiveCocoa,monkeydbobo/ReactiveCocoa,zhenlove/ReactiveCocoa,alvinvarghese/ReactiveCocoa,cstars135/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,kiurentu/ReactiveCocoa,sujeking/ReactiveCocoa,wpstarnice/ReactiveCocoa,chao95957/ReactiveCocoa,200895045/ReactiveCocoa,towik/ReactiveCocoa,sdhzwm/ReactiveCocoa,yizzuide/ReactiveCocoa,yoichitgy/ReactiveCocoa,ddc391565320/ReactiveCocoa,libiao88/ReactiveCocoa,itschaitanya/ReactiveCocoa,Ray0218/ReactiveCocoa,LHDsimon/ReactiveCocoa,DongDongDongDong/ReactiveCocoa,eyu1988/ReactiveCocoa,esttorhe/ReactiveCocoa,SanChain/ReactiveCocoa,tiger8888/ReactiveCocoa,msdgwzhy6/ReactiveCocoa,gengjf/ReactiveCocoa,Farteen/ReactiveCocoa,Ray0218/ReactiveCocoa,mxxiv/ReactiveCocoa,andersio/ReactiveCocoa,JackLian/ReactiveCocoa,itschaitanya/ReactiveCocoa,andersio/ReactiveCocoa,loupman/ReactiveCocoa,dullgrass/ReactiveCocoa,esttorhe/ReactiveCocoa,natan/ReactiveCocoa,KuPai32G/ReactiveCocoa,ShawnLeee/ReactiveCocoa,tonyli508/ReactiveCocoa,smilypeda/ReactiveCocoa,zzqiltw/ReactiveCocoa,mattpetters/ReactiveCocoa,yytong/ReactiveCocoa,jaylib/ReactiveCocoa,fanghao085/ReactiveCocoa,CCOOOOLL/ReactiveCocoa,xulibao/ReactiveCocoa,zxq3220122/ReactiveCocoa,dachaoisme/ReactiveCocoa,huiping192/ReactiveCocoa,yytong/ReactiveCocoa,dskatz22/ReactiveCocoa,fanghao085/ReactiveCocoa,hilllinux/ReactiveCocoa,hj3938/ReactiveCocoa,OnTheWay1988/ReactiveCocoa,xiaoliyang/ReactiveCocoa,icepy/ReactiveCocoa,OneSmallTree/ReactiveCocoa,monkeydbobo/ReactiveCocoa,paulyoung/ReactiveCocoa,llb1119/test,cogddo/ReactiveCocoa,xumaolin/ReactiveCocoa,zhaoguohui/ReactiveCocoa,clg0118/ReactiveCocoa,tornade0913/ReactiveCocoa,chieryw/ReactiveCocoa,msdgwzhy6/ReactiveCocoa,Juraldinio/ReactiveCocoa,andersio/ReactiveCocoa,ioshger0125/ReactiveCocoa,BlessNeo/ReactiveCocoa,DreamHill/ReactiveCocoa,paulyoung/ReactiveCocoa,yangshengchaoios/ReactiveCocoa,CQXfly/ReactiveCocoa,ceekayel/ReactiveCocoa,Rupert-RR/ReactiveCocoa,ohwutup/ReactiveCocoa,on99/ReactiveCocoa,ShawnLeee/ReactiveCocoa,cstars135/ReactiveCocoa,rpowelll/ReactiveCocoa,jsslai/ReactiveCocoa,esttorhe/ReactiveCocoa,xumaolin/ReactiveCocoa,BlessNeo/ReactiveCocoa,DreamHill/ReactiveCocoa,BrooksWon/ReactiveCocoa,stevielu/ReactiveCocoa,isghe/ReactiveCocoa,ReactiveCocoa/ReactiveSwift,j364960953/ReactiveCocoa,OneSmallTree/ReactiveCocoa,sandyway/ReactiveCocoa,liufeigit/ReactiveCocoa,tzongw/ReactiveCocoa,xiaobing2007/ReactiveCocoa,juliangrosshauser/ReactiveCocoa,xiaoliyang/ReactiveCocoa,FelixYin66/ReactiveCocoa,CQXfly/ReactiveCocoa,victorlin/ReactiveCocoa,goodheart/ReactiveCocoa,valleyman86/ReactiveCocoa,vincentiss/ReactiveCocoa,emodeqidao/ReactiveCocoa,lixar/ReactiveCocoa,WEIBP/ReactiveCocoa,ShawnLeee/ReactiveCocoa,xiaobing2007/ReactiveCocoa,j364960953/ReactiveCocoa,SanChain/ReactiveCocoa,sugar2010/ReactiveCocoa,nickcheng/ReactiveCocoa,AlanJN/ReactiveCocoa,pzw224/ReactiveCocoa,eyu1988/ReactiveCocoa,dullgrass/ReactiveCocoa,zzzworm/ReactiveCocoa,imkerberos/ReactiveCocoa,DongDongDongDong/ReactiveCocoa,yaoxiaoyong/ReactiveCocoa,ztchena/ReactiveCocoa,KJin99/ReactiveCocoa,cstars135/ReactiveCocoa,FelixYin66/ReactiveCocoa,pzw224/ReactiveCocoa,JohnJin007/ReactiveCocoa,icepy/ReactiveCocoa,BlessNeo/ReactiveCocoa,gengjf/ReactiveCocoa,mxxiv/ReactiveCocoa,JackLian/ReactiveCocoa,mtxs007/ReactiveCocoa,add715/ReactiveCocoa,takeshineshiro/ReactiveCocoa,SanChain/ReactiveCocoa,AndyZhaoHe/ReactiveCocoa,huiping192/ReactiveCocoa,richeterre/ReactiveCocoa,zzzworm/ReactiveCocoa,sdhzwm/ReactiveCocoa,libiao88/ReactiveCocoa,zxq3220122/ReactiveCocoa,yangyangluoluo/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,emodeqidao/ReactiveCocoa,shuxiashusheng/ReactiveCocoa,dskatz22/ReactiveCocoa,howandhao/ReactiveCocoa,shaohung001/ReactiveCocoa,windgo/ReactiveCocoa,chieryw/ReactiveCocoa,zhaoguohui/ReactiveCocoa,windgo/ReactiveCocoa,bscarano/ReactiveCocoa,wangqi211/ReactiveCocoa,cnbin/ReactiveCocoa,sujeking/ReactiveCocoa,ceekayel/ReactiveCocoa,ztchena/ReactiveCocoa,xumaolin/ReactiveCocoa,tornade0913/ReactiveCocoa,nikita-leonov/ReactiveCocoa,imkerberos/ReactiveCocoa,yonekawa/ReactiveCocoa,CCOOOOLL/ReactiveCocoa,hj3938/ReactiveCocoa,kevin-zqw/ReactiveCocoa,yangshengchaoios/ReactiveCocoa,isghe/ReactiveCocoa,esttorhe/ReactiveCocoa,shuxiashusheng/ReactiveCocoa,buildo/ReactiveCocoa,xulibao/ReactiveCocoa,DreamHill/ReactiveCocoa,fanghao085/ReactiveCocoa,PSPDFKit-labs/ReactiveCocoa,Ray0218/ReactiveCocoa,jeelun/ReactiveCocoa,takeshineshiro/ReactiveCocoa,JohnJin007/ReactiveCocoa,jsslai/ReactiveCocoa,hilllinux/ReactiveCocoa,zhukaixy/ReactiveCocoa,hoanganh6491/ReactiveCocoa,rpowelll/ReactiveCocoa,wpstarnice/ReactiveCocoa,ericzhou2008/ReactiveCocoa,natestedman/ReactiveCocoa,terry408911/ReactiveCocoa,yonekawa/ReactiveCocoa,RuiAAPeres/ReactiveCocoa,ioshger0125/ReactiveCocoa,Ethan89/ReactiveCocoa,ohwutup/ReactiveCocoa,juliangrosshauser/ReactiveCocoa,ohwutup/ReactiveCocoa,ericzhou2008/ReactiveCocoa,ztchena/ReactiveCocoa,zhiwen1024/ReactiveCocoa,juliangrosshauser/ReactiveCocoa,FelixYin66/ReactiveCocoa,huiping192/ReactiveCocoa,stevielu/ReactiveCocoa,beni55/ReactiveCocoa,nickcheng/ReactiveCocoa,nikita-leonov/ReactiveCocoa,natestedman/ReactiveCocoa,AndyZhaoHe/ReactiveCocoa,rpowelll/ReactiveCocoa,smilypeda/ReactiveCocoa,Pingco/ReactiveCocoa,dz1111/ReactiveCocoa,lixar/ReactiveCocoa,sdhzwm/ReactiveCocoa,llb1119/test,AlanJN/ReactiveCocoa,sugar2010/ReactiveCocoa,jam891/ReactiveCocoa,zhigang1992/ReactiveCocoa,leichunfeng/ReactiveCocoa,dachaoisme/ReactiveCocoa,taylormoonxu/ReactiveCocoa,windgo/ReactiveCocoa,jackywpy/ReactiveCocoa,jackywpy/ReactiveCocoa,LHDsimon/ReactiveCocoa,vincentiss/ReactiveCocoa,sugar2010/ReactiveCocoa,leichunfeng/ReactiveCocoa,yytong/ReactiveCocoa,zhenlove/ReactiveCocoa,dz1111/ReactiveCocoa,llb1119/test,tonyarnold/ReactiveCocoa,luerhouhou/ReactiveCocoa,natan/ReactiveCocoa,eyu1988/ReactiveCocoa,ioshger0125/ReactiveCocoa,zxq3220122/ReactiveCocoa,CCOOOOLL/ReactiveCocoa,mattpetters/ReactiveCocoa,GuitarPlayer-Ma/ReactiveCocoa,alvinvarghese/ReactiveCocoa,jam891/ReactiveCocoa,chao95957/ReactiveCocoa,yizzuide/ReactiveCocoa,victorlin/ReactiveCocoa,valleyman86/ReactiveCocoa,BrooksWon/ReactiveCocoa,qq644531343/ReactiveCocoa,zhigang1992/ReactiveCocoa,brasbug/ReactiveCocoa