DOC: fix errors with doxygen and subdoxygen commands

Documentation/SoftwareGuide/Latex/Classification.tex

Documentation/SoftwareGuide/Latex/ImageRegistration.tex

Documentation/SoftwareGuide/Latex/Optimizers.tex

Documentation/SoftwareGuide/Latex/WriteAnApplication.tex

...mentation/SoftwareGuide/SoftwareGuideConfiguration.tex.in

Examples/Application/ApplicationExample.cxx

Examples/Classification/BayesianPluginClassifier.cxx

...fication/ExpectationMaximizationMixtureModelEstimator.cxx

Examples/DataRepresentation/Image/ImageListExample.cxx

Examples/DisparityMap/FineRegistrationImageFilterExample.cxx

Examples/FeatureExtraction/ExtractSegmentsExample.cxx

Examples/FeatureExtraction/LineSegmentDetectorExample.cxx

Examples/FeatureExtraction/RightAngleDetectionExample.cxx

Examples/FeatureExtraction/TouziEdgeDetectorExample.cxx

Examples/Iterators/ImageSliceIteratorWithIndex.cxx

Examples/Iterators/NeighborhoodIterators5.cxx

Examples/Learning/SEMModelEstimatorExample.cxx

Examples/Learning/SOMClassifierExample.cxx

Examples/Learning/SOMExample.cxx

Examples/Segmentation/VectorConfidenceConnected.cxx