Sphere->SphereSource, adding images and orientation markers

src/Cxx.md

src/Cxx/Annotation/CMakeLists.txt

src/Cxx/Annotation/PolarAxesActor.cxx

src/Cxx/GeometricObjects/GoldenBallSource.cxx

src/Cxx/GeometricObjects/SphereSource.cxx

src/Cxx/GeometricObjects/SphereSource.md

src/PythonicAPI.md

src/PythonicAPI/Annotation/PolarAxesActor.py

src/PythonicAPI/GeometricObjects/GoldenBallSource.py

src/PythonicAPI/GeometricObjects/SphereSource.md

src/PythonicAPI/GeometricObjects/SphereSource.py

src/Testing/Baseline/Cxx/Annotation/TestPolarAxesActor.png

...ng/Baseline/Cxx/GeometricObjects/TestGoldenBallSource.png

...esting/Baseline/Cxx/GeometricObjects/TestSphereSource.png

...ng/Baseline/PythonicAPI/Annotation/TestPolarAxesActor.png

...ine/PythonicAPI/GeometricObjects/TestGoldenBallSource.png

...aseline/PythonicAPI/GeometricObjects/TestSphereSource.png