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

intel-analytics/BigDL,yangw1234/BigDL,intel-analytics/BigDL,yangw1234/BigDL,intel-analytics/BigDL,yangw1234/BigDL,yangw1234/BigDL,intel-analytics/BigDL