Caffe layer wise unit test (#1810)
Caffe layer wise unit test (#1810)

* add run caffe jobs

* fix style

* fix typo

* chmod

* add test info

* refinement

* fix import

* refinement

* refinement to get exit status

* fix typo

* fix path

* add layers unit tests

* add python interface

* fix style

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