fixed the remoting server lifetime issue in the AppDomain isolation mode
fixed the remoting server lifetime issue in the AppDomain isolation mode

jmptrader/SuperSocket,ZixiangBoy/SuperSocket,mdavid/SuperSocket,memleaks/SuperSocket,chucklu/SuperSocket,chucklu/SuperSocket,fryderykhuang/SuperSocket,kerryjiang/SuperSocket,chucklu/SuperSocket,jmptrader/SuperSocket,kerryjiang/SuperSocket,ZixiangBoy/SuperSocket,fryderykhuang/SuperSocket,ZixiangBoy/SuperSocket,mdavid/SuperSocket,fryderykhuang/SuperSocket,jmptrader/SuperSocket,mdavid/SuperSocket