Made the Makefile use the CXX environment variable if set.  This makes scan-build work.
Made the Makefile use the CXX environment variable if set.  This makes scan-build work.

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