Merge branch 'develop' into train_images_regression

.gitlab-ci.yml

CI/check_twin_pipelines.py

CI/configure_options.cmake

CMakeLists.txt

Documentation/Cookbook/rst/C++/AboutBandMathX.rst

Documentation/Cookbook/rst/recipes/improc.rst

Modules/Applications/AppMathParserX/app/otbBandMathX.cxx

Modules/Radiometry/Indices/include/otbRadiometricIndex.h

NOTICE

Packaging/CMakeLists.txt

Packaging/install_java_bindings.cmake

SuperBuild/CMake/External_otb.cmake

SuperBuild/CMakeLists.txt