made smack branch from build script configurable
made smack branch from build script configurable

Flowdalic/asmack,ZachGoldberg/asmack,chuangWu/asmack,tks-dp/asmack,ZachGoldberg/asmack,lizhangqu/asmack,chuangWu/asmack,tks-dp/asmack,Flowdalic/asmack,lovecc0923/asmack,lizhangqu/asmack,lovecc0923/asmack