Update description data_transformer.hpp
Update description data_transformer.hpp

longjon/caffe,gogartom/caffe-textmaps,gogartom/caffe-textmaps,gnina/gnina,gnina/gnina,longjon/caffe,longjon/caffe,gnina/gnina,CZCV/s-dilation-caffe,wangg12/caffe,gnina/gnina,wangg12/caffe,CZCV/s-dilation-caffe,gogartom/caffe-textmaps,gnina/gnina,tackgeun/caffe,CZCV/s-dilation-caffe,wangg12/caffe,gogartom/caffe-textmaps,longjon/caffe,CZCV/s-dilation-caffe,wangg12/caffe,tackgeun/caffe,tackgeun/caffe,tackgeun/caffe,gnina/gnina