Merge pull request #23 from ConvLab/unified_dataset

convlab2/base_models/bert/create_data.py

convlab2/base_models/bert/infer_bio.sh

convlab2/base_models/bert/run_token_classification.py

convlab2/base_models/bert/seqeval_metric.py

convlab2/base_models/bert/train_bio.sh

convlab2/base_models/t5/create_data.py

convlab2/base_models/t5/run_rg.sh

convlab2/base_models/t5/run_seq2seq.py

convlab2/util/__init__.py

convlab2/util/unified_datasets_util.py

data/unified_datasets/multiwoz21/README.md

data/unified_datasets/multiwoz21/data.zip

data/unified_datasets/multiwoz21/dummy_data.json

data/unified_datasets/multiwoz21/preprocess.py

data/unified_datasets/sgd/preprocess.py

data/unified_datasets/tm1/README.md

data/unified_datasets/tm1/data.zip

data/unified_datasets/tm1/dummy_data.json

data/unified_datasets/tm1/preprocess.py

data/unified_datasets/tm2/README.md