BifurcateSplitTable (#1513)
BifurcateSplitTable (#1513)

* add BifurcateSplitTable

* createBifurcateSplitTable

* add buffer

* clearState

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