Merge branch 'develop' into 1834-test-data-lfs

.gitlab-ci.yml

.gitlab/issue_templates/release.md

CI/main_ci.cmake

CI/ubuntu-18.04-gcc-shark.cmake

CI/ubuntu-18.04-llvm-shark.cmake

CI/ubuntu-18.04-llvm.cmake

CMake/CTestCustom.cmake.in

CMake/OTBModuleDoxygen.cmake

CMake/OTBModuleHeaderTest.cmake

CMakeLists.txt

Documentation/Cookbook/Art/C++/CompositeExamplePipeline.png

Documentation/Cookbook/Art/C++/CompositeFilterStages.png

Documentation/Cookbook/Art/C++/DataPipeline.png

Documentation/Cookbook/Art/C++/DataPipelineOneConnection.png

Documentation/Cookbook/Art/C++/DataPipelineUpdate.png

Documentation/Cookbook/Art/C++/IteratorFigure1.png

Documentation/Cookbook/Art/C++/NeighborhoodIteratorFig1.png

Documentation/Cookbook/Art/C++/NeighborhoodIteratorFig2.png

Documentation/Cookbook/Art/logo-with-text.png

Documentation/Cookbook/CMakeLists.txt