Update Readme.md - required cuDNN v5.1

Alexey

2017-03-31 9493fa14c4515cc9773286003542b36c910c44ca

 src/avgpool_layer.h

@@ -2,9 +2,9 @@
#define AVGPOOL_LAYER_H

#include "image.h"
#include "params.h"
#include "cuda.h"
#include "layer.h"
#include "network.h"

typedef layer avgpool_layer;