Removed unused "friend class txn_t".
Removed unused "friend class txn_t".

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