ENH: (Visu Refactoring) Updating classes to use GlComponent and ImageToScreenTransform

Code/VisuRefac/otbChangeExtractRegionActionHandler.h

Code/VisuRefac/otbChangeScaledExtractRegionActionHandler.h

Code/VisuRefac/otbGlWidget.cxx

Code/VisuRefac/otbGlWidget.h

Code/VisuRefac/otbImageView.h

Code/VisuRefac/otbImageView.txx

Code/VisuRefac/otbImageWidget.h

Code/VisuRefac/otbImageWidget.txx

Code/VisuRefac/otbPixelDescriptionActionHandler.h

Code/VisuRefac/otbRegionGlComponent.h