Merge pull request #15 from olga-jane/master

update from origin
correct Settings UI
delete TestSubject
Merge pull request #17 from olga-jane/master

Merge from olga-jane/master
add handler on exit actions (alt+f4, from menu and close button)
Fix application closing on alt+f4 and close button
Merge remote-tracking branch 'origin/master' into Morozova_UI

Conflicts:
	src/PrizmMainProject/Forms/Settings/SettingsXtraForm.Designer.cs
Revert "Merge remote-tracking branch 'origin/master' into Morozova_UI"

This reverts commit 0237e528d8ccfb3704fe210b1eed60eb15757dce, reversing
changes made to c6130d278c6908ead0a7494d42bd650edeb64d73.
Revert "Revert "Merge remote-tracking branch 'origin/master' into Morozova_UI""

This reverts commit 3844c7b7d766bc76a790a1f0d25a24aa505ad76c.
Issue 620 - added logo
fixed after merge
Merge pull request #627 from olga-jane/Morozova_UI

UI corrections in settings
Merge pull request #633 from qlynn/sborsuk_exit

Program should exit fully and correctly [8]
Merge pull request #634 from olga-jane/Protsenko_v1

Issue #620 - added logo