Mantis 1420 (DS-template: Visualisation: Package "Inhoud": ordering &
naming of elements), 1428 (DS-template: Visualisation: Package
"Meta-metadata": ordering & naming of elements), 1426 (DS-template:
Visualisation: Package "Gebruiksrecht": ordering & naming of elements),
1423 (DS-template: Visualisation: Package "Begrenzing": ordering &
naming of elements), All System.out.println in LuceneSearcher modified
to log.debug.  Modified main pom.xml.