[updateQtCreatorTargets] Don't crash if the target is not there

Signed-off-by: David Greaves <david.greaves@jollamobile.com>
[sdk-manage] Remove duplicate message and use correct file in stat check

Signed-off-by: David Greaves <david.greaves@jollamobile.com>
[sdk-manage] Support syncing Qt5 libs too - d'oh

Signed-off-by: David Greaves <david.greaves@jollamobile.com>