DNF complain without "--skip-broken" if a pacakge is missing.

Need to add it for "pkg-stable" stage.

Start using Azure Pipeline.

It will still run out of disk space in the middle.

Minor fixes for docker build process.

Work around docker buildkit error.

`nvidia-docker2` deprecated and only `nvidia-container-runtime` is ne…

…eded now.

Drop nvidia/cuda drivers in docker.

1. Add torchvision and other torch related tools.

2. Build some DL-related python wheels.
3. A lot of updates.
4. Fix CUDA docker env vars.
5. Add docker-compose.

Build libgdiplus.

Windows build is ready again.

Update MKL/CUDA version on Windows.