Merge branch 'Modernise_InfoVis_2' into 'master'

src/Cxx/InfoVis/PKMeansClustering.cxx

src/Cxx/InfoVis/ParallelCoordinatesView.cxx

src/Cxx/InfoVis/PassThrough.cxx

src/Cxx/InfoVis/SCurveSpline.cxx

src/Cxx/InfoVis/TreeMapView.cxx

src/Cxx/InfoVis/TreeMapView.md

src/Cxx/InfoVis/WordCloud.cxx

src/Cxx/InfoVis/WordCloud.md

src/Cxx/InfoVis/WordCloudDemo.cxx

src/Cxx/InfoVis/XGMLReader.cxx

src/Cxx/InfoVis/XGMLReader.md

src/Python/InfoVis/ParallelCoordinatesExtraction.py

src/Python/InfoVis/ParallelCoordinatesView.py

src/Python/InfoVis/SelectedGraphIDs.py

src/Python/InfoVis/TestParallelCoordinatesExtraction.png

src/Python/InfoVis/TestParallelCoordinatesView.png

src/Testing/Baseline/Cxx/InfoVis/TestDelimitedTextReader.png

...ing/Baseline/Cxx/InfoVis/TestLayoutStrategyComparison.png

...ting/Baseline/Cxx/InfoVis/TestParallelCoordinatesView.png

src/Testing/Baseline/Cxx/InfoVis/TestSCurveSpline.png