changing data loading

Makefile

cfg/darknet.cfg

src/box.c

src/box.h

src/captcha.c

src/coco.c

src/darknet.c

src/data.c

src/data.h

src/detection.c

src/detection_layer.c

src/image.c

src/image.h

src/imagenet.c

src/layer.h

src/network.c

src/network_kernels.cu

src/parser.c

src/region_layer.c

src/region_layer.h