Added 4lejandrito's try{}catch around Object.defineProperty for IE8
Added 4lejandrito's try{}catch around Object.defineProperty for IE8

Acidburn0zzz/adapter,webrtc/adapter,xdumaine/adapter,shines/adapter,webrtc/adapter,Acidburn0zzz/adapter,Acidburn0zzz/adapter,jan-ivar/adapter,jan-ivar/adapter,shines/adapter,xdumaine/adapter,shines/adapter