Fix load bigdl_conf_file exception (#1831)
Fix load bigdl_conf_file exception (#1831)

* update bigdl download url

* fix (#1719)

* fix jtensor (#1722)

* [Backport 0.3 PR1728]Bump script (#1729)

* checkin bump-version script

* add comments

* check if zip file contains the conf

jenniew/BigDL,qiuxin2012/BigDL,luchy0120/BigDL,zhangxiaoli73/BigDL,zhangxiaoli73/BigDL,jenniew/BigDL,yiheng/BigDL,qiuxin2012/BigDL,yiheng/BigDL,wzhongyuan/BigDL,i8run/BigDL-1,wzhongyuan/BigDL,zhangxiaoli73/BigDL,qiuxin2012/BigDL,jenniew/BigDL,luchy0120/BigDL,wzhongyuan/BigDL,yiheng/BigDL,i8run/BigDL-1,i8run/BigDL-1,luchy0120/BigDL