Fixing Visualisation Examples.

src/Cxx.md

src/Cxx/Visualization/AssignCellColorsFromLUT.cxx

src/Cxx/Visualization/AssignCellColorsFromLUT.md

src/Cxx/Visualization/CurvatureBandsWithGlyphs.cxx

src/Cxx/Visualization/CurvatureBandsWithGlyphs.md

src/Cxx/Visualization/ElevationBandsWithGlyphs.cxx

src/Cxx/Visualization/ElevationBandsWithGlyphs.md

src/Cxx/Visualization/NamedColorPatches.cxx

src/Cxx/Visualization/NamedColorPatches.md

src/Cxx/Visualization/NamedColors.cxx

src/Python.md

src/Python/VTKNamedColorPatches.html

src/Python/Visualization/AssignCellColorsFromLUT.md

src/Python/Visualization/AssignCellColorsFromLUT.py

src/Python/Visualization/CurvatureBandsWithGlyphs.md

src/Python/Visualization/CurvatureBandsWithGlyphs.py

src/Python/Visualization/ElevationBandsWithGlyphs.md

src/Python/Visualization/ElevationBandsWithGlyphs.py

src/Python/Visualization/NamedColorPatches.md

src/Python/Visualization/NamedColorPatches.py