Created - Widget you/  List opened windows
Merge branch 'FixForMErge' into ivan/List_opened_windows

Conflicts:
	mainwindow.cpp
	mainwindow.h
	mainwindow.ui
fix bug
fix ui bug
fix bug
fix About(modal_window)
fix to About
Merge pull request #55 from ITAAcademy/ivan/About-fix

fix to About
merge fix window "About"
Merge branch 'FixForMErge' of https://github.com/ITAAcademy/ITAInformator into AndrewS/ConversionFunction
-Add Temperature convert functions