add regulaizer to volumetricconvolution (#1371)
add regulaizer to volumetricconvolution (#1371)

* add regulaizer to volumetricconvolution

* fix name

* update doc

* update doc

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