avoid copy of .java files to the result jar
avoid copy of .java files to the result jar

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