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

DOC: fix parameter names in StereoRectificationGridGenerator, BinaryMorphologicalOperation, GrayScaleMorphologicalOperation, LocalStatisticExtraction

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