Add license information to Ontonet ontologies

Someone needs to check the license of the following ontology (OWL) files. Not sure if we can just add an Apache License header to those files. Where are they from?

ontologymanager/ontonet:

src/test/resources/ontologies/nameless_ontology.owl
src/test/resources/ontologies/registry/krestest.owl
src/test/resources/ontologies/registry/meta.owl
src/test/resources/ontologies/index.rdf
src/test/resources/ontologies/maincharacters.owl
src/test/resources/ontologies/codkernel.owl
src/test/resources/ontologies/odp/participation.owl
src/test/resources/ontologies/odp/classification.owl
src/test/resources/ontologies/odp/agentrole.owl
src/test/resources/ontologies/odp/topic.owl
src/test/resources/ontologies/odp/taskrole.owl
src/test/resources/ontologies/odp/situation.owl
src/test/resources/ontologies/odp/collectionentity.owl
src/test/resources/ontologies/odp/taskexecution.owl
src/test/resources/ontologies/odp/typesofentities.owl
src/test/resources/ontologies/odp/communities.owl
src/test/resources/ontologies/odp/objectrole.owl
src/test/resources/ontologies/odp/partof.owl
src/test/resources/ontologies/odp/description.owl
src/test/resources/ontologies/odp/intensionextension.owl
src/test/resources/ontologies/odp/descriptionandsituation.owl
src/test/resources/ontologies/odp/informationobjectsandrepresentationlanguages.owl
src/test/resources/ontologies/odp/cpannotationschema.owl
src/test/resources/ontologies/coddata.owl
src/test/resources/ontologies/pizza.owl