Relicense fairseq under MIT license (#786)

Summary:
The previous BSD+PATENTS license was controversial. We have been
approved to relicense fairseq under the MIT license.
Pull Request resolved: https://github.com/fairinternal/fairseq-py/pull/786

Differential Revision: D16560654

Pulled By: myleott

fbshipit-source-id: f78b1beb4f2895dd7b9bfc79f5f952a2bfb94034

fairseq/data/language_pair_dataset.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 import numpy as np
 import torch

fairseq/data/legacy/__init__.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 from .masked_lm_dictionary import BertDictionary, MaskedLMDictionary
 from .block_pair_dataset import BlockPairDataset

fairseq/data/legacy/block_pair_dataset.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 import math
 

fairseq/data/legacy/masked_lm_dataset.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 import math
 

fairseq/data/legacy/masked_lm_dictionary.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 from fairseq.data import Dictionary
 

fairseq/data/lm_context_window_dataset.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 import numpy as np
 import torch

fairseq/data/lru_cache_dataset.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 from functools import lru_cache
 

fairseq/data/mask_tokens_dataset.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 from functools import lru_cache
 

fairseq/data/monolingual_dataset.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 import numpy as np
 import torch

fairseq/data/multi_corpus_sampled_dataset.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 from collections import OrderedDict
 from typing import Callable, Dict, List

fairseq/data/nested_dictionary_dataset.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 from collections import OrderedDict
 

fairseq/data/noising.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 import torch
 import numpy as np

fairseq/data/num_samples_dataset.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 from . import FairseqDataset
 

fairseq/data/numel_dataset.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 import numpy as np
 import torch

fairseq/data/offset_tokens_dataset.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 from . import BaseWrapperDataset
 

fairseq/data/pad_dataset.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 from fairseq.data import data_utils
 

fairseq/data/prepend_token_dataset.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 import numpy as np
 import torch

fairseq/data/raw_label_dataset.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 import torch
 

fairseq/data/round_robin_zip_datasets.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 from collections import OrderedDict
 

fairseq/data/sort_dataset.py

-# Copyright (c) 2017-present, Facebook, Inc.
-# All rights reserved.
+# Copyright (c) Facebook, Inc. and its affiliates.
 #
-# This source code is licensed under the license found in the LICENSE file in
-# the root directory of this source tree. An additional grant of patent rights
-# can be found in the PATENTS file in the same directory.
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
 import numpy as np