Add test log uploading to testresults.qt-project.org

Task-number: QTQAINFRA-842
Change-Id: I903d686670e71dbb80100293161577b55a14c507
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Rohan McGovern <rohan@mcgovern.id.au>
Reviewed-by: Simo Fält <simo.falt@digia.com>