Remove check for Q_OS_QWS / Qtopia

Change-Id: I778a7a8cc8c504b6ba54a05ad4e476830a5b28bc
Reviewed-by: Jarek Kobus <jaroslaw.kobus@digia.com>
Reviewed-by: Niels Weber <niels.weber@digia.com>
Cleanup, use what we have in QThread.

Change-Id: I6efc3ef90f8797b71a795f62423eda96f61934e5
Reviewed-by: Niels Weber <niels.weber@digia.com>
Reviewed-by: Kai Koehne <kai.koehne@digia.com>
Replace Q_OS_MAC with Q_OS_OSX

Q_OS_MAC also refers to iOS.

Change-Id: I91603d0add90a0f3948453a6b9628814b0d9f80c
Reviewed-by: Jarek Kobus <jaroslaw.kobus@digia.com>
Reviewed-by: Karsten Heimrich <karsten.heimrich@digia.com>