MRG: Synchronize with branch develop

.gitlab-ci.yml

CI/dev_env.bat

CI/main_packages.cmake

CI/main_superbuild.cmake

CI/prepare_superbuild.cmake

CI/windows-10-x64-vc14.0.cmake

CI/windows-8.1-x64-vc14.0.cmake

CI/windows-8.1-x86-vc14.0.cmake

Examples/Radiometry/CMakeLists.txt

Modules/Core/Common/src/otbSystem.cxx

...les/Radiometry/Indices/test/otbRadiometricIndicesTest.cxx

...on/Conversion/include/otbLabelImageToVectorDataFilter.hxx

...ation/Conversion/include/otbRasterizeVectorDataFilter.hxx

...on/Conversion/include/otbVectorDataToLabelImageFilter.hxx

Modules/Visualization/Ice/src/otbStandardShader.cxx

Packaging/Files/selftester.bat

Packaging/Files/selftester.sh

SuperBuild/CMake/External_opencv.cmake