Merge branch 'work/improvements' into 'master'

CMakeLists.txt

externals/qtcolorpicker/src/qtcolorpicker.cpp

plugins/CriticalPath/CriticalPath.hpp

plugins/Distribution/Distribution.cpp

plugins/MatrixVisualizer/CMakeLists.txt

plugins/MatrixVisualizer/Common/Zoom.hpp

plugins/MatrixVisualizer/MatrixVisualizer.hpp

plugins/MatrixVisualizer/Windows/MatrixGLWidget.cpp

plugins/MatrixVisualizer/Windows/MatrixGLWidget.hpp

plugins/TraceInfos/TraceInfos.hpp

src/common/Memory.cpp

src/common/Memory.hpp

src/core/Core.cpp

src/core/Core.hpp

src/interface/Interface_graphic.cpp

src/interface/Interface_graphic.hpp

src/interface/Interval_select.cpp

src/interface/Interval_select.hpp

src/interface/Node_select.cpp

src/interface/Node_select.hpp