qdoc: Fixed relative paths in qdocconf file.
qdoc: Fixed relative paths in qdocconf file.

Task nr: QTBUG-26708

Change-Id: Ia0aeeed3deb4afe838988105054e960c74d05458
Reviewed-by: Jerome Pasion <c10995d24f6b454503389e8d00d837aef038985d@nokia.com>

kobolabs/qtdoc,kobolabs/qtdoc,kobolabs/qtdoc,kobolabs/qtdoc