Merge branch 'ProgressBarFix' into develop

Core/Algorithms/inc/Simulation.h

Core/Algorithms/src/MultiLayerRoughnessDWBASimulation.cpp

Core/Algorithms/src/ProgressHandler.cpp

Core/Algorithms/src/ProgressHandlerDWBA.cpp

Core/Algorithms/src/Simulation.cpp

Core/Samples/src/MultiLayer.cpp

GUI/coregui/Models/JobModel.cpp

GUI/coregui/Views/JobWidgets/JobListWidget.cpp

GUI/coregui/Views/JobWidgets/JobListWidget.h

GUI/coregui/Views/JobWidgets/JobOutputDataWidget.cpp

GUI/coregui/Views/JobWidgets/JobOutputDataWidget.h

GUI/coregui/mainwindow/mainwindow.cpp

Tests/UnitTests/TestCore/MultiLayerTest.h

dev-tools/log/perf_history.txt