Boxes: Reload Some Boxes : Fix Coding rules, modernize & lisibility

...isualization/src/algorithms/ovpCAlgorithmLevelMeasure.cpp

...-visualization/src/algorithms/ovpCAlgorithmLevelMeasure.h

...ualization/src/box-algorithms/ovpCBoxAlgorithmErpPlot.cpp

...isualization/src/box-algorithms/ovpCBoxAlgorithmErpPlot.h

...ithms/ovpCBoxAlgorithmP300IdentifierCardVisualization.cpp

...orithms/ovpCBoxAlgorithmP300IdentifierCardVisualization.h

...algorithms/ovpCBoxAlgorithmP300MagicCardVisualization.cpp

...x-algorithms/ovpCBoxAlgorithmP300MagicCardVisualization.h

...x-algorithms/ovpCBoxAlgorithmP300SpellerVisualization.cpp

...box-algorithms/ovpCBoxAlgorithmP300SpellerVisualization.h

...-visualization/src/box-algorithms/ovpCDisplayCueImage.cpp

...le-visualization/src/box-algorithms/ovpCDisplayCueImage.h

...ization/src/box-algorithms/ovpCGrazMultiVisualization.cpp

...alization/src/box-algorithms/ovpCGrazMultiVisualization.h

...isualization/src/box-algorithms/ovpCGrazVisualization.cpp

...-visualization/src/box-algorithms/ovpCGrazVisualization.h

...mple-visualization/src/box-algorithms/ovpCSignalDisplay.h

...algorithms/ovpCSignalDisplay/ovpCSignalChannelDisplay.cpp

...x-algorithms/ovpCSignalDisplay/ovpCSignalChannelDisplay.h

...gorithms/ovpCSignalDisplay/ovpCSignalDisplayLeftRuler.cpp