use qualifiers for feature versions

Change-Id: I68c5e4d618798f35511f607b4599bc2008eee6c1
Reviewed-on: http://gerrit.esdi-community.eu/3156
Tested-by: Jenkins <sitemple@igd.fraunhofer.de>
Reviewed-by: Simon Templer <simon.templer@igd.fraunhofer.de>