Fixed shifted boxes

AlexeyAB

2018-03-28 d014f7530f3043da5fe2030666e07aefa2efc71a

 src/network_kernels.cu

@@ -121,7 +121,7 @@
   }
#endif
    forward_network_gpu(net, state);
   cudaStreamSynchronize(get_cuda_stream());
   //cudaStreamSynchronize(get_cuda_stream());
    backward_network_gpu(net, state);
}