Changes:
- Added a new bearface network (face_allbears.dat) trained on all 8 bear species
- Added embedding network (embed_andeanbear.dat) for a small Andean bear dataset
- Added SVM network and ID file (svm_andeanbear.dat and svm_andeanbear_ids.dat) for a small Andean bear dataset
New networks were generated with bearid version 21.03 and require dlib 19.16 or later.