docs(license): change license from GNU AGPL v3 to CeCILL v2.1

.github/PULL_REQUEST_TEMPLATE.md

@@ -4,7 +4,7 @@
 | New feature?   | yes/no
 | Related issues | Fix #... <!-- prefix each issue number with "Fix #", if any -->
 | Has BC-break   | yes/no
-| License        | GNU AGPL-v3
+| License        | CeCILL v2.1
 
 **Checklist:**
 <!--

_kosmorro/__init__.py

@@ -1,17 +1 @@
 #!/usr/bin/env python3
-
-#    Kosmorro - Compute The Next Ephemerides
-#    Copyright (C) 2019  Jérôme Deuchnord <jerome@deuchnord.fr>
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU Affero General Public License as
-#    published by the Free Software Foundation, either version 3 of the
-#    License, or (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU Affero General Public License for more details.
-#
-#    You should have received a copy of the GNU Affero General Public License
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.

_kosmorro/__version__.py

@@ -1,21 +1,5 @@
 #!/usr/bin/env python3
 
-#    Kosmorro - Compute The Next Ephemerides
-#    Copyright (C) 2019  Jérôme Deuchnord <jerome@deuchnord.fr>
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU Affero General Public License as
-#    published by the Free Software Foundation, either version 3 of the
-#    License, or (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU Affero General Public License for more details.
-#
-#    You should have received a copy of the GNU Affero General Public License
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
 __title__ = "kosmorrolib"
 __description__ = "A program that computes your ephemerides"
 __url__ = "http://kosmorro.space"

_kosmorro/dumper.py

@@ -1,21 +1,5 @@
 #!/usr/bin/env python3
 
-#    Kosmorro - Compute The Next Ephemerides
-#    Copyright (C) 2019  Jérôme Deuchnord <jerome@deuchnord.fr>
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU Affero General Public License as
-#    published by the Free Software Foundation, either version 3 of the
-#    License, or (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU Affero General Public License for more details.
-#
-#    You should have received a copy of the GNU Affero General Public License
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
 from abc import ABC, abstractmethod
 import datetime
 import json

_kosmorro/environment.py

@@ -1,21 +1,5 @@
 #!/usr/bin/env python3
 
-#    Kosmorro - Compute The Next Ephemerides
-#    Copyright (C) 2019  Jérôme Deuchnord <jerome@deuchnord.fr>
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU Affero General Public License as
-#    published by the Free Software Foundation, either version 3 of the
-#    License, or (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU Affero General Public License for more details.
-#
-#    You should have received a copy of the GNU Affero General Public License
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
 import os
 import re
 from pathlib import Path

_kosmorro/exceptions.py

@@ -1,21 +1,5 @@
 #!/usr/bin/env python3
 
-#    Kosmorro - Compute The Next Ephemerides
-#    Copyright (C) 2019  Jérôme Deuchnord <jerome@deuchnord.fr>
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU Affero General Public License as
-#    published by the Free Software Foundation, either version 3 of the
-#    License, or (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU Affero General Public License for more details.
-#
-#    You should have received a copy of the GNU Affero General Public License
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
 from datetime import date
 from _kosmorro.i18n.utils import _, SHORT_DATE_FORMAT
 

_kosmorro/i18n/utils.py

@@ -1,21 +1,5 @@
 #!/usr/bin/env python3
 
-#    Kosmorro - Compute The Next Ephemerides
-#    Copyright (C) 2019  Jérôme Deuchnord <jerome@deuchnord.fr>
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU Affero General Public License as
-#    published by the Free Software Foundation, either version 3 of the
-#    License, or (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU Affero General Public License for more details.
-#
-#    You should have received a copy of the GNU Affero General Public License
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
 import gettext
 import os