Update all notebooks (v2.02b3)

AE/01-Prepare-MNIST-dataset.ipynb

AE/02-AE-with-MNIST.ipynb

AE/03-AE-with-MNIST-post.ipynb

AE/04-ExtAE-with-MNIST.ipynb

AE/05-ExtAE-with-MNIST.ipynb

BHPD/01-DNN-Regression.ipynb

BHPD/02-DNN-Regression-Premium.ipynb

BHPD_PyTorch/01-DNN-Regression_PyTorch.ipynb

DCGAN/01-DCGAN-Draw-me-a-sheep.ipynb

DCGAN/02-WGANGP-Draw-me-a-sheep.ipynb

GTSRB/01-Preparation-of-data.ipynb

GTSRB/02-First-convolutions.ipynb

GTSRB/03-Tracking-and-visualizing.ipynb

GTSRB/04-Data-augmentation.ipynb

GTSRB/05-Full-convolutions.ipynb

GTSRB/07-Show-report.ipynb

IMDB/01-One-hot-encoding.ipynb

IMDB/02-Keras-embedding.ipynb

IMDB/03-Prediction.ipynb

IMDB/04-Show-vectors.ipynb