additional enhancements to the README

added more placeholders and added additional copy logic to the download data script

added gitignore placeholders for empty directories

added some updates to the README

commiting working model and docker container for sagemaker

modified predict to send json data to the endpoint

code executes now ready to start containerization with sagemaker interface

Merge branch 'master' of https://github.com/jpbarto/tf_sagemaker_docker

added sample data set for evaluation while predictions are being served

updated the predict code to work with the model.py file

initial adaptation of mnist model to both train and predict

began modifying the original mnist convolution network to the docker purpose

added a bit more commentary

updated Dockerfile to fit our purpose

added propogation from the data directory to the test_dir