COMP: create a Supervised module with both OpenCV and LibSVM as OPTIONAL_DEPENDS

Modules/Adapters/OpenCVAdapters/CMakeLists.txt

Modules/Adapters/OpenCVAdapters/otb-module.cmake

Modules/Learning/LearningBase/CMakeLists.txt

Modules/Learning/LearningBase/otb-module.cmake

Modules/Learning/LearningBase/test/CMakeLists.txt

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

Modules/Learning/SVMLearning/otb-module.cmake

Modules/Learning/Supervised/CMakeLists.txt

...earning/Supervised/include/otbBoostMachineLearningModel.h

...rning/Supervised/include/otbBoostMachineLearningModel.txx

.../Supervised/include/otbBoostMachineLearningModelFactory.h

...upervised/include/otbBoostMachineLearningModelFactory.txx

...earning/Supervised/include/otbConfusionMatrixCalculator.h

...rning/Supervised/include/otbConfusionMatrixCalculator.txx

...rning/Supervised/include/otbConfusionMatrixMeasurements.h

...ing/Supervised/include/otbConfusionMatrixMeasurements.txx

.../Supervised/include/otbDecisionTreeMachineLearningModel.h

...upervised/include/otbDecisionTreeMachineLearningModel.txx

...ised/include/otbDecisionTreeMachineLearningModelFactory.h

...ed/include/otbDecisionTreeMachineLearningModelFactory.txx