fix build error, add c# wrapper class

Tino Hager

2018-06-24 b2c03b1615535dc717e196c560901e9e420c96d6

 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);