Julia 1.0 GPU + Flux

Available for you to remix.

# fix symbolic link
ln -fs /lib/x86_64-linux-gnu/libz.so.1 /usr/local/lib/libz.so
ldconfig
nvcc --version
pkg"up; add GPUArrays CuArrays CUDAnative CUDAdrv NNlib Adapt BenchmarkTools Colors FileIO ImageShow Plots GR; precompile"
using InteractiveUtils; versioninfo()