DOC: Adding doxygen documentation and correcting mistakes

Code/BasicFilters/otbBSplineDecompositionImageFilter.h

Code/BasicFilters/otbLabelizeConnectedThresholdImageFilter.h

Code/BasicFilters/otbLabelizeImageFilterBase.h

Code/ChangeDetection/otbKullbackLeiblerDistanceImageFilter.h

...tection/otbKullbackLeiblerSupervizedDistanceImageFilter.h

...atureExtraction/otbAssociativeSymmetricalSumImageFilter.h

Code/FeatureExtraction/otbFillGapsFilter.h

...FeatureExtraction/otbLineCorrelationDetectorImageFilter.h

Code/Fusion/otbBayesianFusionFilter.h

Code/IO/otbFileName.h

Code/IO/otbMetaDataKey.h

Code/Learning/otbNonGaussianRBFKernelFunctor.h

Code/Learning/otbSEMClassifier.h

Code/Projections/otbMapProjection.h

Code/Projections/otbTileMapTransform.h

...Polarimetry/otbMultiChannelsPolarimetricSynthesisFilter.h

Code/SARPolarimetry/otbPolarimetricSynthesisFilter.h

Code/Visu/otbFullResolutionImageWidget.h

Code/Visu/otbImageWidgetBoxForm.h

Code/Visu/otbImageWidgetPolygonForm.h