Modernising the code, improving images

src/Cxx/Visualization/Glyph3DImage.cxx

src/Cxx/Visualization/Glyph3DMapper.cxx

src/Cxx/Visualization/Hanoi.cxx

src/Cxx/Visualization/Hawaii.cxx

src/Cxx/Visualization/HedgeHog.cxx

src/Cxx/Visualization/HideActor.cxx

src/Cxx/Visualization/HideAllActors.cxx

src/Python/Visualization/GlyphTable.py

src/Python/Visualization/Hanoi.py

src/Python/Visualization/HardwareSelector.py

src/Python/Visualization/Hawaii.py

src/Testing/Baseline/Cxx/Visualization/TestGlyph3DMapper.png

src/Testing/Baseline/Cxx/Visualization/TestHanoi.png

src/Testing/Baseline/Cxx/Visualization/TestHanoiInitial.png

src/Testing/Baseline/Cxx/Visualization/TestHawaii.png

src/Testing/Baseline/Cxx/Visualization/TestHedgeHog.png

src/Testing/Baseline/Cxx/Visualization/TestHideActor.png

src/Testing/Baseline/Cxx/Visualization/TestHideAllActors.png

src/Testing/Baseline/Python/Visualization/TestGlyphTable.png

src/Testing/Baseline/Python/Visualization/TestHanoi.png