Merge branch 'wrapper-api' into 'dask-pipelines'

bob/bio/base/config/examples/gabor_mobio-male.py

bob/bio/base/config/examples/isv_atnt_legacy_all_legacy.py

bob/bio/base/config/examples/lda_atnt_legacy.py

bob/bio/base/config/examples/lda_atnt_legacy_all_legacy.py

bob/bio/base/config/examples/pca_atnt.py

bob/bio/base/config/examples/pca_mobio-male.py

bob/bio/base/pipelines/vanilla_biometrics/__init__.py

...bio/base/pipelines/vanilla_biometrics/abstract_classes.py

...base/pipelines/vanilla_biometrics/biometric_algorithms.py

bob/bio/base/pipelines/vanilla_biometrics/legacy.py

bob/bio/base/pipelines/vanilla_biometrics/pipelines.py

bob/bio/base/pipelines/vanilla_biometrics/score_writers.py

bob/bio/base/pipelines/vanilla_biometrics/wrappers.py

bob/bio/base/script/vanilla_biometrics.py

bob/bio/base/test/test_algorithms.py

bob/bio/base/test/test_transformers.py

bob/bio/base/test/test_vanilla_biometrics.py

bob/bio/base/transformers/__init__.py

bob/bio/base/transformers/algorithm.py

bob/bio/base/transformers/extractor.py