Add predict method to model class.
Add predict method to model class.

shyamalschandra/neon,dongjoon-hyun/neon,nhynes/neon,chetan51/neon,shyamalschandra/neon,Bam4d/neon,misko/neon,DougFirErickson/neon,Bam4d/neon,misko/neon,jfsantos/neon,Jokeren/neon,coufon/neon-distributed,coufon/neon-distributed,NervanaSystems/neon,NervanaSystems/neon,nhynes/neon,sunclx/neon,DougFirErickson/neon,jfsantos/neon,chetan51/neon,Bam4d/neon,dongjoon-hyun/neon,chetan51/neon,sherjilozair/neon,shyamalschandra/neon,FighterLYL/neon,Jokeren/neon,sunclx/neon,nhynes/neon,FighterLYL/neon,sherjilozair/neon,sunclx/neon,NervanaSystems/neon,DougFirErickson/neon,NervanaSystems/neon,Jokeren/neon,coufon/neon-distributed,misko/neon,sherjilozair/neon,Jokeren/neon,FighterLYL/neon,jfsantos/neon,dongjoon-hyun/neon