Better support for arbitrary Batch Norm Layer placement
Better support for arbitrary Batch Norm Layer placement

NervanaSystems/neon,Jokeren/neon,dongjoon-hyun/neon,dongjoon-hyun/neon,NervanaSystems/neon,Jokeren/neon,coufon/neon-distributed,coufon/neon-distributed,Jokeren/neon,coufon/neon-distributed,NervanaSystems/neon,Jokeren/neon,dongjoon-hyun/neon,NervanaSystems/neon