Features
* Estimator.fit like logs for transformer
* handler for stopping transform job
Bug fixes and other changes
* remove hardcoded creds from integ test
* remove hardcoded creds from integ test
* Fix get_image_uri warning log for default xgboost version.
* add enable_network_isolation to generic Estimator class
* use regional endpoint when creating AWS STS client
* update Sagemaker Neo regions
* use cpu_instance_type fixture for stop_transform_job test
* hyperparameter tuning with spot instances and checkpoints
* skip efs and fsx integ tests in all regions
Documentation changes
* clarify some Local Mode limitations