Added resnet152_yolo.cfg with focal_loss=1 and stopbackward=1 in the last s...

AlexeyAB

2018-03-05 0c07837397e791c750e81857e214d315ea24199f

 build/darknet/x64/yolo-voc.cfg

@@ -256,3 +256,4 @@
absolute=1
thresh = .6
random=1