Sagemaker

Bug fixes and other changes

* copy dependencies into new folder when repacking model
* make get_caller_identity_arn get role from DescribeNotebookInstance
* add https to regional STS endpoint
* clean up git support integ tests

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

Bug fixes and other changes

* update: disable efs fsx integ tests in non-pdx regions
* fix canary test failure issues
* use us-east-1 for PR test runs

Documentation changes

* updated description for "accept" parameter in batch transform

Bug fixes and other changes

* clean up resources created by file system set up when setup fails

Bug fixes and other changes

* skip EFS tests until they are confirmed fixed.

Documentation changes

* add note to CONTRIBUTING to clarify automated formatting
* add checkpoint section to using_mxnet topic

Bug fixes and other changes

* change AMI ids in tests to be dynamic based on regions