update shared convolution (#1144)
update shared convolution (#1144)

update shared convolution with latest SpatialConvolution.
Add wRegularize, bRegularizer, initWeight, initBias, initGradWeight, initGradBias, withBias
yangw1234/BigDL,yangw1234/BigDL,intel-analytics/BigDL,intel-analytics/BigDL,yangw1234/BigDL,intel-analytics/BigDL,intel-analytics/BigDL,yangw1234/BigDL