Compile with Qt 5.

- QtQuick1 renaming.
- Start on qtconcurrent split (pending renaming of Qt Creator's
  qtconcurrent library).
- QWinEventNotifier is a public class in Qt 5.
- Metatype system: Classes need to be known.

Change-Id: I5582e7cc2777bf791a08b049262217055769c80f
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>

src/plugins/coreplugin/actionmanager/commandmappings.cpp

@@ -31,6 +31,7 @@
 **************************************************************************/
 
 #include "commandmappings.h"
+#include "shortcutsettings.h"
 #include "ui_commandmappings.h"
 #include "actionmanager_p.h"
 #include "actionmanager/command.h"