ENH: More python images

src/Python.md

src/Python/ColorActor.py

src/Python/ImplicitDataSet.py

src/Python/Screenshot.py

src/Python/Visualization/AssignCellColorsFromLUT.md

src/Python/Visualization/CurvatureBandsWithGlyphs.md

src/Python/Visualization/ElevationBandsWithGlyphs.md

src/Python/Visualization/GlyphTable.py

src/Python/Visualization/NamedColors.md

src/Python/Visualization/NamedColors.py