Merge branch 'mv/color_blocks' into 'master'

plugins/MatrixVisualizer/Common/Zooming.cpp

plugins/MatrixVisualizer/Formats/SymbolMatrix.hpp

plugins/MatrixVisualizer/MatrixVisualizer.cpp

plugins/MatrixVisualizer/Parsers/Readers/Pastix.cpp

plugins/MatrixVisualizer/Windows/MatrixGLWidget.cpp

plugins/MatrixVisualizer/Windows/MatrixGLWidget.hpp

src/render/render_stats_opengl.cpp

src/render/render_stats_opengl.hpp