Updated mantid copyright statement to add CSNS

Also updated class_maker.py

Framework/API/inc/MantidAPI/ADSValidator.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2016 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/AlgoTimeRegister.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/Algorithm.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2007 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/Algorithm.tcc

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/AlgorithmFactory.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2007 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/AlgorithmFactoryObserver.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2019 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/AlgorithmHasProperty.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2011 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/AlgorithmHistory.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2007 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/AlgorithmManager.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2007 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/AlgorithmObserver.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2007 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/AlgorithmProperty.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2011 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/AlgorithmProxy.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2007 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/AnalysisDataService.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2007 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/AnalysisDataServiceObserver.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2019 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/ArchiveSearchFactory.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2010 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/Axis.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2008 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/BinEdgeAxis.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2014 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/BoostOptionalToAlgorithmProperty.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2016 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/BoxController.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once
 

Framework/API/inc/MantidAPI/CatalogFactory.h

 // Mantid Repository : https://github.com/mantidproject/mantid
 //
 // Copyright © 2013 ISIS Rutherford Appleton Laboratory UKRI,
-//     NScD Oak Ridge National Laboratory, European Spallation Source
-//     & Institut Laue - Langevin
+//   NScD Oak Ridge National Laboratory, European Spallation Source,
+//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
 // SPDX - License - Identifier: GPL - 3.0 +
 #pragma once