First gui prototype

BASuite/appcore/fancytabwidget.cpp

BASuite/appcore/fancytabwidget.h

BASuite/appcore/imode.cpp

BASuite/appcore/imode.h

BASuite/appcore/main.cpp

BASuite/appcore/mainwindow.cpp

BASuite/appcore/mainwindow.h

BASuite/appcore/welcomemode.cpp

BASuite/appcore/welcomemode.h

BASuite/basuite.pro

BASuite/experimentmanager/experimentmanager.cpp

BASuite/experimentmanager/experimentmanager.h

BASuite/fitmanager/fitmanager.cpp

BASuite/fitmanager/fitmanager.h

BASuite/images/mode_exp.png

BASuite/images/mode_fit.png

BASuite/images/mode_sample.png

BASuite/images/mode_simul.png

BASuite/images/mode_welcome.png

BASuite/samplemanager/samplemanager.cpp