Fixes: NB#204226 - MApplicationWindow::closeEvent() sends _NET_CLOSE_WINDOW message always
Fixes: NB#204226 - MApplicationWindow::closeEvent() sends _NET_CLOSE_WINDOW message always

RevBy: Dominik
Details: Now filtered out the cases when _NET_CLOSE_WINDOW message was sent in response to
spontanous close (initiated outside of the application).

nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch,nemomobile-graveyard/libmeegotouch