Added max_boxes for yolo v3

AlexeyAB

2018-03-30 35cc0aaa15b991b348cc8d9623eed5d4f8a1e435

 src/parser.h

@@ -3,6 +3,7 @@
#include "network.h"

network parse_network_cfg(char *filename);
network parse_network_cfg_custom(char *filename, int batch);
void save_network(network net, char *filename);
void save_weights(network net, char *filename);
void save_weights_upto(network net, char *filename, int cutoff);