Sagemaker

Bug Fixes and Other Changes

* disable Debugger defaults in unsupported regions
* modify session and kms_utils to check for S3 bucket before creation
* update docker-compose and PyYAML dependencies
* enable smdebug for Horovod (MPI) training setup
* create lib dir for dependencies safely (only if it doesn't exist yet).
* create the correct session for MultiDataModel

Documentation Changes

* update links to the local mode notebooks examples.
* Remove outdated badges from README
* update links to TF notebook examples to link to script mode examples.
* clean up headings, verb tenses, names, etc. in MXNet overview
* Update SageMaker operator Helm chart installation guide

Testing and Release Infrastructure

* choose faster notebook for notebook PR build
* properly fail PR build if has-matching-changes fails
* properly fail PR build if has-matching-changes fails

Bug fixes and other changes

* do not use script for TFS when entry_point is not provided
* remove usage of pkg_resources
* update py2 warning message since python 2 is deprecated
* cleanup experiments, trials, and trial components in integ tests

Documentation changes

* add additional information to Transformer class transform function doc string

Bug fixes and other changes

* Append serving to model framework name for PyTorch, MXNet, and TensorFlow

Bug fixes and other changes

* Use serving_image_uri for Airflow

Documentation changes

* revise Processing docstrings for formatting and class links
* Add processing readthedocs

Bug fixes and other changes

* Remove version number from default version comment
* remove remaining instances of python-dateutil pin
* upgrade boto3 and remove python-dateutil pin

Documentation changes

* Add issue templates and configure issue template chooser
* Update error type in delete_endpoint docstring
* add version requirement for using "requirements.txt" when serving an MXNet model
* update container dependency versions for MXNet and PyTorch
* Update supported versions of PyTorch