Update elevation bands with glyphs

src/Cxx/PolyData/Curvatures.cxx

src/Cxx/PolyData/CurvaturesAdjustEdges.cxx

src/Cxx/PolyData/CurvaturesDemo.cxx

src/Cxx/Visualization/CurvatureBandsWithGlyphs.cxx

src/Cxx/Visualization/CurvatureBandsWithGlyphs.md

src/Cxx/Visualization/ElevationBandsWithGlyphs.cxx

src/Cxx/Visualization/ElevationBandsWithGlyphs.md

src/Python/Visualization/CurvatureBandsWithGlyphs.md

src/Python/Visualization/CurvatureBandsWithGlyphs.py

src/Python/Visualization/ElevationBandsWithGlyphs.md

src/Python/Visualization/ElevationBandsWithGlyphs.py

...seline/Cxx/Visualization/TestCurvatureBandsWithGlyphs.png

...seline/Cxx/Visualization/TestElevationBandsWithGlyphs.png

...ine/Python/Visualization/TestCurvatureBandsWithGlyphs.png

...ine/Python/Visualization/TestElevationBandsWithGlyphs.png