VCS: Discard commit if submit widget is disabled

Change-Id: I8f11f56565f46919e93a30f754465de3bc44437e
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Qnx: Fix version comparison

Change-Id: I6f55252bc777bb0dd64698982e62c873c5b9e663
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
QmlDesigner: Fix "unused argument" compiler warnings

Change-Id: Ibfdd61069183a80b322674376200d92d11c06a41
Reviewed-by: Marco Bubke <marco.bubke@digia.com>