Merge branch 'TreeModelSerialize'

CMakeLists.txt

GUI/CMakeLists.txt

GUI/coregui/CMakeLists.txt

GUI/coregui/Models/JobModel.cpp

GUI/coregui/Models/JobModel.h

GUI/coregui/Views/FitView.cpp

GUI/coregui/Views/JobView.cpp

GUI/coregui/Views/WelcomeView.cpp

GUI/coregui/Views/WelcomeView.h

GUI/coregui/coregui.qrc

GUI/coregui/images/filenew.png

GUI/coregui/images/fileopen.png

GUI/coregui/mainwindow/actionmanager.cpp

GUI/coregui/mainwindow/actionmanager.h

GUI/coregui/mainwindow/hostosinfo.h

GUI/coregui/mainwindow/main.cpp

GUI/coregui/mainwindow/mainwindow.cpp

GUI/coregui/mainwindow/mainwindow.h

GUI/coregui/mainwindow/mainwindow_constants.h

GUI/coregui/mainwindow/newprojectdialog.cpp