Adding optional connection object parameter to emitReturnAck and emitReturnError events.
Adding optional connection object parameter to emitReturnAck and emitReturnError events.

bradparks/easyrtc,mauricionr/easyrtc,xirsys/easyrtc,thiagocarreno/easyrtc,priologic/easyrtc,thiagocarreno/easyrtc,priologic/easyrtc,logoff/easyrtc,mauricionr/easyrtc,ash24mish/easyrtc,mauricionr/easyrtc,hthetiot/easyrtc,thiagocarreno/easyrtc,Hocalwire/easyrtc,charlesAtNctu/easyrtc,xirsys/easyrtc,ash24mish/easyrtc,chaudhary4k4/easyRTC,nmai/easyrtc,bradparks/easyrtc,nmai/easyrtc,udayshankar3/nodeapp,Sylaps/easyrtc,nmai/easyrtc,ash24mish/easyrtc,Hocalwire/easyrtc,linagora/easyrtc,udayshankar3/nodeapp,charlesAtNctu/easyrtc,logoff/easyrtc,hthetiot/easyrtc,Hocalwire/easyrtc,cristiancvanega/easyrtc,cristiancvanega/easyrtc,bgawande/easyrtc,priologic/easyrtc,bgawande/easyrtc,Hocalwire/easyrtc,chaudhary4k4/easyRTC,linagora/easyrtc,logoff/easyrtc,Sylaps/easyrtc,charlesAtNctu/easyrtc,hthetiot/easyrtc,bgawande/easyrtc,ash24mish/easyrtc,Sylaps/easyrtc,cristiancvanega/easyrtc,bradparks/easyrtc,priologic/easyrtc