Fix statistics

CMakeLists.txt

plugins/Distribution/Distribution.cpp

plugins/TraceInfos/TraceInfos.cpp

src/interface/Node_select.cpp

src/plugin/Command_window.cpp

src/statistics/DrawCounter.hpp

src/statistics/DrawHDiagram.hpp

src/statistics/DrawVDiagram.hpp

src/statistics/Statistic.cpp

src/statistics/Statistic.hpp

src/statistics/Stats_window.cpp

src/trace/Container.cpp

src/trace/Container.hpp

src/trace/ContainerType.cpp

src/trace/ContainerType.hpp

src/trace/DrawTrace.hpp

src/trace/EntityValue.cpp

src/trace/Trace.cpp