- create modal popup windows
-modal_window
- change modal window from QMessage to QDialog
Add child Window to Temperature
- created forms, forexpf / Oil Charts, Currency
Merge branch 'AndriiN/SettingsMenu' into itainformator

Conflicts:
	ITAinformator.pro
- fixes for folders
Merge branch 'AndrewS/Child_Widgets' into itainformator

Conflicts:
	ITAinformator.pro
	mainwindow.cpp
	mainwindow.h
repeat
- fix for UI files
- create about window
Merge branch 'Dima/formforexpf' into itainformator

Conflicts:
	ITAinformator.pro
	mainwindow.cpp
	mainwindow.h
Merge branch 'Ivan/About' into itainformator
- minor fixes