update to new storage mmap api
update to new storage mmap api

adamlerer/cutorch,fmassa/cutorch,hughperkins/cutorch,yvan-sraka/cutorch,clementfarabet/cutorch,Zhen-hao/cutorch,torch/cutorch,0wu/cutorch,adamlerer/cutorch,wickedfoo/cutorch,luketwitter/cutorch,LinusU/cutorch,0wu/cutorch,torch/cutorch,luketwitter/cutorch,Schakirov/cutorch_my,Schakirov/cutorch_my,Moodstocks/cutorch,Moodstocks/cutorch,torch/cutorch,LinusU/cutorch,Zhen-hao/cutorch,soumith/cutorch,hughperkins/cutorch,clementfarabet/cutorch,wickedfoo/cutorch,yvan-sraka/cutorch