Fix a difference between riak mapreduce and our mapreduce.
Fix a difference between riak mapreduce and our mapreduce.

mcanthony/rethinkdb,Wilbeibi/rethinkdb,wojons/rethinkdb,tempbottle/rethinkdb,4talesa/rethinkdb,marshall007/rethinkdb,mbroadst/rethinkdb,pap/rethinkdb,yakovenkodenis/rethinkdb,Wilbeibi/rethinkdb,mcanthony/rethinkdb,wujf/rethinkdb,bchavez/rethinkdb,Qinusty/rethinkdb,Qinusty/rethinkdb,4talesa/rethinkdb,Wilbeibi/rethinkdb,dparnell/rethinkdb,ajose01/rethinkdb,victorbriz/rethinkdb,AtnNn/rethinkdb,AntouanK/rethinkdb,RubenKelevra/rethinkdb,sontek/rethinkdb,JackieXie168/rethinkdb,catroot/rethinkdb,wkennington/rethinkdb,nviennot/rethinkdb,RubenKelevra/rethinkdb,Qinusty/rethinkdb,niieani/rethinkdb,gavioto/rethinkdb,bpradipt/rethinkdb,AtnNn/rethinkdb,marshall007/rethinkdb,robertjpayne/rethinkdb,mcanthony/rethinkdb,JackieXie168/rethinkdb,robertjpayne/rethinkdb,jmptrader/rethinkdb,robertjpayne/rethinkdb,pap/rethinkdb,elkingtonmcb/rethinkdb,rrampage/rethinkdb,jfriedly/rethinkdb,AntouanK/rethinkdb,RubenKelevra/rethinkdb,wojons/rethinkdb,marshall007/rethinkdb,lenstr/rethinkdb,elkingtonmcb/rethinkdb,gavioto/rethinkdb,wojons/rethinkdb,captainpete/rethinkdb,KSanthanam/rethinkdb,gavioto/rethinkdb,Qinusty/rethinkdb,yakovenkodenis/rethinkdb,nviennot/rethinkdb,bchavez/rethinkdb,bchavez/rethinkdb,wkennington/rethinkdb,mcanthony/rethinkdb,bpradipt/rethinkdb,scripni/rethinkdb,urandu/rethinkdb,eliangidoni/rethinkdb,marshall007/rethinkdb,ajose01/rethinkdb,losywee/rethinkdb,sbusso/rethinkdb,mquandalle/rethinkdb,catroot/rethinkdb,losywee/rethinkdb,grandquista/rethinkdb,spblightadv/rethinkdb,nviennot/rethinkdb,urandu/rethinkdb,Wilbeibi/rethinkdb,sebadiaz/rethinkdb,yakovenkodenis/rethinkdb,catroot/rethinkdb,mquandalle/rethinkdb,grandquista/rethinkdb,ayumilong/rethinkdb,victorbriz/rethinkdb,spblightadv/rethinkdb,niieani/rethinkdb,niieani/rethinkdb,gdi2290/rethinkdb,sebadiaz/rethinkdb,jesseditson/rethinkdb,niieani/rethinkdb,marshall007/rethinkdb,ayumilong/rethinkdb,ayumilong/rethinkdb,mbroadst/rethinkdb,bpradipt/rethinkdb,gdi2290/rethinkdb,nviennot/rethinkdb,AntouanK/rethinkdb,yaolinz/rethinkdb,wkennington/rethinkdb,sbusso/rethinkdb,losywee/rethinkdb,losywee/rethinkdb,wujf/rethinkdb,lenstr/rethinkdb,rrampage/rethinkdb,alash3al/rethinkdb,robertjpayne/rethinkdb,scripni/rethinkdb,dparnell/rethinkdb,tempbottle/rethinkdb,wujf/rethinkdb,wojons/rethinkdb,yaolinz/rethinkdb,alash3al/rethinkdb,mbroadst/rethinkdb,yakovenkodenis/rethinkdb,gavioto/rethinkdb,grandquista/rethinkdb,matthaywardwebdesign/rethinkdb,AntouanK/rethinkdb,bpradipt/rethinkdb,urandu/rethinkdb,alash3al/rethinkdb,AntouanK/rethinkdb,greyhwndz/rethinkdb,eliangidoni/rethinkdb,jfriedly/rethinkdb,RubenKelevra/rethinkdb,dparnell/rethinkdb,gavioto/rethinkdb,sontek/rethinkdb,jesseditson/rethinkdb,ayumilong/rethinkdb,bchavez/rethinkdb,scripni/rethinkdb,wujf/rethinkdb,AntouanK/rethinkdb,AntouanK/rethinkdb,rrampage/rethinkdb,captainpete/rethinkdb,bchavez/rethinkdb,niieani/rethinkdb,sontek/rethinkdb,KSanthanam/rethinkdb,tempbottle/rethinkdb,jfriedly/rethinkdb,Wilbeibi/rethinkdb,KSanthanam/rethinkdb,yakovenkodenis/rethinkdb,mquandalle/rethinkdb,robertjpayne/rethinkdb,mcanthony/rethinkdb,wkennington/rethinkdb,ajose01/rethinkdb,jesseditson/rethinkdb,wkennington/rethinkdb,sontek/rethinkdb,jfriedly/rethinkdb,AtnNn/rethinkdb,sontek/rethinkdb,mcanthony/rethinkdb,sebadiaz/rethinkdb,mquandalle/rethinkdb,tempbottle/rethinkdb,bchavez/rethinkdb,JackieXie168/rethinkdb,spblightadv/rethinkdb,elkingtonmcb/rethinkdb,urandu/rethinkdb,victorbriz/rethinkdb,mcanthony/rethinkdb,4talesa/rethinkdb,eliangidoni/rethinkdb,KSanthanam/rethinkdb,JackieXie168/rethinkdb,losywee/rethinkdb,KSanthanam/rethinkdb,bchavez/rethinkdb,gdi2290/rethinkdb,mquandalle/rethinkdb,gavioto/rethinkdb,rrampage/rethinkdb,JackieXie168/rethinkdb,gavioto/rethinkdb,lenstr/rethinkdb,robertjpayne/rethinkdb,gdi2290/rethinkdb,4talesa/rethinkdb,urandu/rethinkdb,wujf/rethinkdb,ajose01/rethinkdb,yakovenkodenis/rethinkdb,rrampage/rethinkdb,Qinusty/rethinkdb,greyhwndz/rethinkdb,grandquista/rethinkdb,rrampage/rethinkdb,marshall007/rethinkdb,jmptrader/rethinkdb,gavioto/rethinkdb,losywee/rethinkdb,marshall007/rethinkdb,jmptrader/rethinkdb,bpradipt/rethinkdb,jmptrader/rethinkdb,wojons/rethinkdb,greyhwndz/rethinkdb,victorbriz/rethinkdb,alash3al/rethinkdb,Qinusty/rethinkdb,scripni/rethinkdb,elkingtonmcb/rethinkdb,marshall007/rethinkdb,lenstr/rethinkdb,eliangidoni/rethinkdb,sontek/rethinkdb,jesseditson/rethinkdb,urandu/rethinkdb,bpradipt/rethinkdb,mbroadst/rethinkdb,captainpete/rethinkdb,nviennot/rethinkdb,tempbottle/rethinkdb,elkingtonmcb/rethinkdb,nviennot/rethinkdb,gdi2290/rethinkdb,JackieXie168/rethinkdb,wojons/rethinkdb,nviennot/rethinkdb,scripni/rethinkdb,pap/rethinkdb,mquandalle/rethinkdb,ayumilong/rethinkdb,rrampage/rethinkdb,tempbottle/rethinkdb,lenstr/rethinkdb,alash3al/rethinkdb,lenstr/rethinkdb,grandquista/rethinkdb,urandu/rethinkdb,JackieXie168/rethinkdb,JackieXie168/rethinkdb,elkingtonmcb/rethinkdb,sbusso/rethinkdb,bpradipt/rethinkdb,mbroadst/rethinkdb,yaolinz/rethinkdb,sebadiaz/rethinkdb,wojons/rethinkdb,robertjpayne/rethinkdb,ajose01/rethinkdb,catroot/r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