Added batch to col2im, padding option

Makefile

src/activations.cl

src/cnn.c

src/col2im.c

src/connected_layer.c

src/convolutional_layer.c

src/convolutional_layer.h

src/data.c

src/data.h

src/detection_layer.c

src/detection_layer.h

src/gemm.cl

src/im2col.c

src/maxpool_layer.c

src/mini_blas.c

src/mini_blas.h

src/network.c

src/opencl.c

src/opencl.h

src/parser.c