Merge branch 'master' into rppg

.gitlab-ci.yml

bob/pad/face/__init__.py

bob/pad/face/algorithm/VideoCascadeSvmPadAlgorithm.py

bob/pad/face/algorithm/VideoGmmPadAlgorithm.py

bob/pad/face/algorithm/VideoLRPadAlgorithm.py

bob/pad/face/algorithm/VideoSvmPadAlgorithm.py

bob/pad/face/algorithm/__init__.py

.../face/config/algorithm/video_cascade_svm_pad_algorithm.py

bob/pad/face/config/algorithm/video_gmm_pad_algorithm.py

bob/pad/face/config/algorithm/video_svm_pad_algorithm.py

bob/pad/face/config/frame_diff_svm.py

bob/pad/face/config/frame_diff_svm_aggregated_db.py

bob/pad/face/config/lbp_svm.py

bob/pad/face/config/lbp_svm_aggregated_db.py

bob/pad/face/config/qm_lr.py

bob/pad/face/config/qm_one_class_gmm.py

bob/pad/face/config/qm_one_class_svm_aggregated_db.py

...pad/face/config/qm_one_class_svm_cascade_aggregated_db.py

bob/pad/face/config/qm_svm.py

bob/pad/face/config/qm_svm_aggregated_db.py