Merge branch 'master' of github.com:ConvLab/ConvLab-3

convlab/dst/setsumbt/configs/setsumbt_pretrain.json

convlab/dst/setsumbt/configs/setsumbt_sgd.json

convlab/dst/setsumbt/configs/setsumbt_tm.json

convlab/dst/setsumbt/dataset/__init__.py

convlab/dst/setsumbt/dataset/ontology.py

convlab/dst/setsumbt/dataset/unified_format.py

convlab/dst/setsumbt/dataset/utils.py

convlab/dst/setsumbt/dataset/value_maps.py

convlab/dst/setsumbt/distillation_setup.py

convlab/dst/setsumbt/do/calibration.py

convlab/dst/setsumbt/do/evaluate.py

convlab/dst/setsumbt/do/nbt.py

convlab/dst/setsumbt/get_golden_labels.py

convlab/dst/setsumbt/loss/__init__.py

convlab/dst/setsumbt/loss/bayesian.py

convlab/dst/setsumbt/loss/bayesian_matching.py

convlab/dst/setsumbt/loss/distillation.py

convlab/dst/setsumbt/loss/endd_loss.py

convlab/dst/setsumbt/loss/kl_distillation.py

convlab/dst/setsumbt/loss/labelsmoothing.py