Add calculate curvatures class where needed

src/Cxx/PolyData/CMakeLists.txt

src/Cxx/PolyData/Curvatures.cxx

src/Cxx/PolyData/CurvaturesAdjustEdges.cxx

src/Cxx/PolyData/CurvaturesAdjustEdges.md

src/Cxx/PolyData/CurvaturesDemo.cxx

src/Cxx/PolyData/CurvaturesDemo.md

src/Cxx/Visualization/CurvatureBandsWithGlyphs.cxx

src/Cxx/Visualization/CurvatureBandsWithGlyphs.md

src/Python/PolyData/CurvaturesAdjustEdges.md

src/Python/PolyData/CurvaturesAdjustEdges.py

src/Python/PolyData/CurvaturesDemo.md

src/Python/PolyData/CurvaturesDemo.py

src/Python/Visualization/CurvatureBandsWithGlyphs.md

src/Python/Visualization/CurvatureBandsWithGlyphs.py

src/Testing/Baseline/Cxx/PolyData/TestCurvatures.png

src/Testing/Baseline/Cxx/PolyData/TestCurvaturesDemo.png

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

src/Testing/Baseline/Python/PolyData/TestCurvatures.png

src/Testing/Baseline/Python/PolyData/TestCurvaturesDemo.png

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