Merge branch 'refactor' into 'master'

.flake8

.gitignore

.isort.cfg

.pre-commit-config.yaml

MANIFEST.in

bob/__init__.py

bob/bio/__init__.py

bob/bio/gmm/__init__.py

bob/bio/gmm/algorithm/GMM.py

bob/bio/gmm/algorithm/ISV.py

bob/bio/gmm/algorithm/IVector.py

bob/bio/gmm/algorithm/JFA.py

bob/bio/gmm/algorithm/__init__.py

bob/bio/gmm/config/algorithm/gmm.py

bob/bio/gmm/config/algorithm/gmm_regular.py

bob/bio/gmm/config/algorithm/isv.py

bob/bio/gmm/config/algorithm/ivector_cosine.py

bob/bio/gmm/config/algorithm/ivector_lda_wccn_plda.py

bob/bio/gmm/config/algorithm/ivector_plda.py

bob/bio/gmm/config/algorithm/jfa.py