Adding examples

src/Cxx.md

src/Python.md

src/PythonicAPI.md

src/PythonicAPI/Filtering/Glyph2D.md

src/PythonicAPI/Filtering/Glyph2D.py

src/PythonicAPI/GeometricObjects/Planes.py

src/PythonicAPI/Graphs/GraphToPolyData.md

src/PythonicAPI/Graphs/GraphToPolyData.py

src/PythonicAPI/Graphs/ScaleVertices.md

src/PythonicAPI/Graphs/ScaleVertices.py

src/PythonicAPI/Graphs/VisualizeDirectedGraph.py

src/PythonicAPI/Graphs/VisualizeGraph.md

src/PythonicAPI/Snippets/VTKDataClasses.md

src/Testing/Baseline/PythonicAPI/Filtering/TestGlyph2D.png

...ting/Baseline/PythonicAPI/GeometricObjects/TestPlanes.png

...sting/Baseline/PythonicAPI/Graphs/TestGraphToPolyData.png

...Testing/Baseline/PythonicAPI/Graphs/TestScaleVertices.png

...aseline/PythonicAPI/Graphs/TestVisualizeDirectedGraph.png