Keras-mdn-layer

This version is published with TF 2.15.1 and TFP 0.23.0.
The MDN layer has been updated to use Keras API and Tensorflow 2 APIs.

What's Changed
* Bump tensorflow from 2.0.0 to 2.0.1 by dependabot in https://github.com/cpmpercussion/keras-mdn-layer/pull/24
* Move to tf2 api, thanks u7484835 by cpmpercussion in https://github.com/cpmpercussion/keras-mdn-layer/pull/47

New Contributors
* dependabot made their first contribution in https://github.com/cpmpercussion/keras-mdn-layer/pull/24

**Full Changelog**: https://github.com/cpmpercussion/keras-mdn-layer/compare/v0.3.0...v0.4.2

Now switched over to tf.keras. Now works with:

- Tensorflow 2.0.0
- Tensorflow-probability 0.8.0

A Mixture Density Layer for Keras, and examples of interesting use cases.