Update release-download.md (#2161)
Update release-download.md (#2161)


wzhongyuan/BigDL,wzhongyuan/BigDL,zhangxiaoli73/BigDL,i8run/BigDL-1,wzhongyuan/BigDL,zhangxiaoli73/BigDL,yiheng/BigDL,zhangxiaoli73/BigDL,yiheng/BigDL,i8run/BigDL-1,i8run/BigDL-1,yiheng/BigDL