QtIFW

Check for valid version number during package collect.

Change-Id: I20a484beddc3ba00adb0b57e9bf0b9644252d28a
Reviewed-on: http://codereview.qt.nokia.com/4257
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Tim Jenssen <tim.jenssen@nokia.com>
Reviewed-by: Niels Weber <niels.2.weber@nokia.com>
Reviewed-by: Karsten Heimrich <karsten.heimrich@nokia.com>