DOC: Improve the copyright notice information in the LICENSE file

Improve the copyright notice information in the `LICENSE` file: make the
notice specific to this repository and avoid any variability in the
notices by removing the placeholders:
- Use the original year (2021) in which works were first released.
- Use the NiPreps name and email address in `LICENSE` file.
- Remove the explanation related to the placeholders.

Apply the above changes to the copyright notices across source files.

LICENSE

@@ -178,15 +178,13 @@
    APPENDIX: How to apply the Apache License to your work.
 
       To apply the Apache License to your work, attach the following
-      boilerplate notice, with the fields enclosed by brackets "[]"
-      replaced with your own identifying information. (Don't include
-      the brackets!)  The text should be enclosed in the appropriate
+      boilerplate notice. The text should be enclosed in the appropriate
       comment syntax for the file format. We also recommend that a
       file or class name and description of purpose be included on the
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright [2021] [Derek Pisner]
+   Copyright 2021 The NiPreps Developers <[email protected]>
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.

scripts/optimize_registration.py

@@ -1,7 +1,7 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 #
-# Copyright 2024 The NiPreps Developers <[email protected]>
+# Copyright 2021 The NiPreps Developers <[email protected]>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

src/eddymotion/__main__.py

@@ -1,7 +1,7 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 #
-# Copyright 2024 The NiPreps Developers <[email protected]>
+# Copyright 2021 The NiPreps Developers <[email protected]>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

src/eddymotion/cli/parser.py

@@ -1,7 +1,7 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 #
-# Copyright 2024 The NiPreps Developers <[email protected]>
+# Copyright 2021 The NiPreps Developers <[email protected]>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

src/eddymotion/cli/run.py

@@ -1,7 +1,7 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 #
-# Copyright 2024 The NiPreps Developers <[email protected]>
+# Copyright 2021 The NiPreps Developers <[email protected]>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

src/eddymotion/exceptions.py

@@ -1,7 +1,7 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 #
-# Copyright 2024 The NiPreps Developers <[email protected]>
+# Copyright 2021 The NiPreps Developers <[email protected]>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

src/eddymotion/math/tests/test_utils.py

@@ -1,7 +1,7 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 #
-# Copyright 2024 The NiPreps Developers <[email protected]>
+# Copyright 2021 The NiPreps Developers <[email protected]>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

src/eddymotion/math/utils.py

@@ -1,7 +1,7 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 #
-# Copyright 2024 The NiPreps Developers <[email protected]>
+# Copyright 2021 The NiPreps Developers <[email protected]>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

src/eddymotion/model/_dipy.py

@@ -1,7 +1,7 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 #
-# Copyright 2024 The NiPreps Developers <[email protected]>
+# Copyright 2021 The NiPreps Developers <[email protected]>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

src/eddymotion/model/dmri.py

@@ -1,7 +1,7 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 #
-# Copyright 2024 The NiPreps Developers <[email protected]>
+# Copyright 2021 The NiPreps Developers <[email protected]>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

src/eddymotion/registration/ants.py

@@ -1,7 +1,7 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 #
-# Copyright 2024 The NiPreps Developers <[email protected]>
+# Copyright 2021 The NiPreps Developers <[email protected]>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

src/eddymotion/registration/utils.py

@@ -1,7 +1,7 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 #
-# Copyright 2024 The NiPreps Developers <[email protected]>
+# Copyright 2021 The NiPreps Developers <[email protected]>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

src/eddymotion/utils.py

@@ -1,7 +1,7 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 #
-# Copyright 2024 The NiPreps Developers <[email protected]>
+# Copyright 2021 The NiPreps Developers <[email protected]>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

test/test_dipy.py

@@ -1,7 +1,7 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 #
-# Copyright 2024 The NiPreps Developers <[email protected]>
+# Copyright 2021 The NiPreps Developers <[email protected]>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

test/test_main.py

@@ -1,7 +1,7 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 #
-# Copyright 2024 The NiPreps Developers <[email protected]>
+# Copyright 2021 The NiPreps Developers <[email protected]>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

test/test_parser.py

@@ -1,7 +1,7 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 #
-# Copyright 2024 The NiPreps Developers <[email protected]>
+# Copyright 2021 The NiPreps Developers <[email protected]>
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.