Toolkit for running MXNet training scripts on SageMaker. Dockerfiles used for building SageMaker MXNet Containers are at https://github.com/aws/deep-learning-containers.
Also removed unused container-tests directory. They were previously used to test basic MXNet functionality inside our containers, but we don't need to be doing that.
Unit tests pass.
Also removed unused container-tests directory. They were previously used to test basic MXNet functionality inside our containers, but we don't need to be doing that.