Add flag for non-recursive lookup of child qobject(s)

Add flag for non-recursive lookup of child qobject(s)

Merge-request: 40
Reviewed-by: olivier
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@nokia.com>
Change-Id: I1194ba0d8bba92ece3132171e230cece341ec127
Reviewed-on: http://codereview.qt.nokia.com/2957
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@nokia.com>