Dryml

New Contributors
* tejalkul made their first contribution in https://github.com/ncsa/DRYML/pull/17

**Full Changelog**: https://github.com/ncsa/DRYML/compare/v0.2.1...v0.2.2

**Full Changelog**: https://github.com/ncsa/DRYML/compare/v0.2.0...v0.2.1

* Added hyperparameter search implementation for both ray tune 1 and ray tune 2.
* Updated tutorial 5 to use either ray tune 1 or ray tune 2
* Cleaned up some extra debug print lines

Contains a simple bugfix for systems which don't have a nvidia-smi available.

For these systems, num_gpus will be set to 0.

Initial public release of dryml. A 'beta' release 0.1.0