Slot onDeleteView() renamed as onClosingView().
Handler QWidget::closeEvent() not invoked for SUIT_ViewWindow. View window hides and removes by the virtual method SUIT_ViewManager::closeView(). User can define own behavior of window closing.
Identificator assignment moved on the base level - SUIT_ViewManager. Useless id's removed from inherit classes.
Title mechanism in the SUIT_ViewManager was changed. Now view manager support title for views with specific tags: %M - view manager number, %V - view number.
