Merge branch 'release-6.6' into merge-6.6

CMake/FindQwt.cmake

CMake/FindShark.cmake

CMakeLists.txt

...cations/AppClassification/app/otbKMeansClassification.cxx

...onalityReduction/app/otbVectorDimensionalityReduction.cxx

...nsionalityReductionLearning/include/otbAutoencoderModel.h

...ionalityReductionLearning/include/otbAutoencoderModel.hxx

...g/DimensionalityReductionLearning/include/otbPCAModel.hxx

Modules/Learning/LearningBase/otb-module.cmake

Modules/Learning/LearningBase/test/CMakeLists.txt

.../Learning/LearningBase/test/otbLearningBaseTestDriver.cxx

Modules/Learning/LearningBase/test/otbSharkUtilsTests.cxx

...vised/include/otbSharkRandomForestsMachineLearningModel.h

...sed/include/otbSharkRandomForestsMachineLearningModel.hxx

...supervised/include/otbSharkKMeansMachineLearningModel.hxx

Modules/ThirdParty/Shark/include/otbSharkUtils.h

Modules/ThirdParty/Shark/otb-module-init.cmake

RELEASE_NOTES.txt

SuperBuild/CMake/External_shark.cmake

SuperBuild/patches/SHARK/shark-2-ext-num-literals-all.diff