Added userName preserving to setUserCfg
Added userName preserving to setUserCfg

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