added THCudaTensor_renorm prototype
added THCudaTensor_renorm prototype

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