* blended pipeline
* add sample to samples folder
* update pinned version of TrainingJob
* update samples instructions
* update bucket and sagemaker role sections
* update broken link and fix indentation:
* Added preprocessing step to sample pipeline
* Add processing to components README
* Remove unused import
* Add data set prerequisite to training component
* Remove simple HPO pipeline
* Update MNIST header in README
* Remove simple HPO sample integration test
* Empty commit to trigger google bot
* don't use aws-secret and update readme for sample pipelines
* Addressed comments on PR and few more readme changes
* small changes to readme
* nit change
* Address comments
* construct channel input using json.dumps()
* remover data_location parameters
* add changelog
* Update version in license file and small changes to readme
* Added Spot Instance Support
* Fixed missing output configuration
* Added spot instance support to example pipelines
* Updated image to new repository