ENH : add sensor awarness to Visualization

Code/IO/otbDefaultImageMetadataInterface.h

Code/IO/otbIkonosImageMetadataInterface.cxx

Code/IO/otbIkonosImageMetadataInterface.h

Code/IO/otbImageMetadataInterfaceBase.h

Code/IO/otbQuickBirdImageMetadataInterface.cxx

Code/IO/otbQuickBirdImageMetadataInterface.h

Code/IO/otbSpotImageMetadataInterface.cxx

Code/IO/otbSpotImageMetadataInterface.h

Code/IO/otbWorldView2ImageMetadataInterface.cxx

Code/IO/otbWorldView2ImageMetadataInterface.h

Code/Visualization/otbImageLayer.txx

Code/Visualization/otbRenderingFunction.h

Code/Visualization/otbRenderingImageFilter.h

Code/Visualization/otbStandardRenderingFunction.h