Fixed the GPU implementation of EuclideanLoss to report the loss to the top layer
Fixed the GPU implementation of EuclideanLoss to report the loss to the top layer

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