Octis

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* Added regularization hyperparameter to NMF_scikit
* Added similarity metrics
* Fixed handling of stopwords in preprocessing
* Fixed coherence and diversity metrics
* Added new metrics tests

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* Fixed CTM training when only training dataset is used
* Dashboard bugs fixed
* Minor bug fixes
* Added new tests for TM training

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* Added parameter num_samples to CTM, NeuralLDA and ProdLDA
* Bug fix AVITM

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* Bug fix info dataset

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* Tomotopy LDA's implementation should work now

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* bug fix dataset download
* CTM is no longer verbose