ENH: add ValidateImagesClassifier application to validate a classification model obtained with TrainMachineLearningImagesClassifier.

ENH: Add an ImageClassifier application that classifies an image using a model obtained with TrainMachineLearningImagesClassifier application.

ENH: Remove useless parameters for opencv svm classification in otbTrainMachineLearningImagesClassifier application.

ENH: Classification Map Regularization: only input image type is templated in the declaration of the filtertype in the tests, example and application

ENH: ClassificationMapRegularization Application: structuring element (ball) with the same radius along X and Y, the corresponding documentation, test and baselines were updated.

ENH: Classification Map Regularization by Majority Voting, new parameter names in accordance with itkLabelVotingImageFilter

ENH: Majority Voting: multiple majority labels are set either to UnDefinedValue or to their original value (by default)