Fixed typo, and updated references for appIceServers server option.
Fixed typo, and updated references for appIceServers server option.

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