Added Focal Loss to yolo-layer

AlexeyAB

2018-04-05 943f6e874b819271a87665cf41199388380989a0

 src/network.h

@@ -138,6 +138,7 @@

int get_network_nuisance(network net);
int get_network_background(network net);
void fuse_conv_batchnorm(network net);

#ifdef __cplusplus
}