Update license information of include files

src/include/Commons.h

-/* Distributed under the terms of GPLv3 or later. See COPYING for details. */
+/* Copyright 2024 INAF - Osservatorio Astronomico di Cagliari
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ */
 
 /*! \file Commons.h
  *

src/include/Configuration.h

-/* Distributed under the terms of GPLv3 or later. See COPYING for details. */
+/* Copyright 2024 INAF - Osservatorio Astronomico di Cagliari
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ */
 
 /*! \file Configuration.h
  *

src/include/TransitionMatrix.h

-/* Distributed under the terms of GPLv3 or later. See COPYING for details. */
+/* Copyright 2024 INAF - Osservatorio Astronomico di Cagliari
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ */
 
 /*! \file TransitionMatrix.h
  *

src/include/algebraic.h

-/* Distributed under the terms of GPLv3 or later. See COPYING for details. */
+/* Copyright 2024 INAF - Osservatorio Astronomico di Cagliari
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ */
 
 /*! \file algebraic.h
  *

src/include/clu_subs.h

-/* Distributed under the terms of GPLv3 or later. See COPYING for details. */
+/* Copyright 2024 INAF - Osservatorio Astronomico di Cagliari
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ */
 
 /*! \file clu_subs.h
  *

src/include/lapack_calls.h

-/* Distributed under the terms of GPLv3 or later. See COPYING for details. */
+/* Copyright 2024 INAF - Osservatorio Astronomico di Cagliari
 
-/*! \file lapack_calss.h
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ */
+
+/*! \file lapack_calls.h
  *
  * \brief C++ interface to LAPACK calls.
  *

src/include/logging.h

-/* Distributed under the terms of GPLv3 or later. See COPYING for details. */
+/* Copyright 2024 INAF - Osservatorio Astronomico di Cagliari
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ */
 
 /*! \file logging.h
  *

src/include/sph_subs.h

-/* Distributed under the terms of GPLv3 or later. See COPYING for details. */
+/* Copyright 2024 INAF - Osservatorio Astronomico di Cagliari
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ */
 
 /*! \file sph_subs.h
  *

src/include/tfrfme.h

-/* Distributed under the terms of GPLv3 or later. See COPYING for details. */
+/* Copyright 2024 INAF - Osservatorio Astronomico di Cagliari
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ */
 
 /*! \file tfrfme.h
  *

src/include/tra_subs.h

-/* Distributed under the terms of GPLv3 or later. See COPYING for details. */
+/* Copyright 2024 INAF - Osservatorio Astronomico di Cagliari
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ */
 
 /*! \file tra_subs.h
  *

src/include/types.h

-/* Distributed under the terms of GPLv3 or later. See COPYING for details. */
+/* Copyright 2024 INAF - Osservatorio Astronomico di Cagliari
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+ */
 
 /*! \file types.h
  *