Merge branch 'hotfix/2.4.1'
Merge branch 'release/2.5.0'
Fixed bug in OWLImporter to deal properly with axioms that contain
unsupported literals.
updating poms for 2.5.1 hotfix
updating poms for 2.5.1 hotfix
updating develop with hotfix versions to avoid merge conflicts
Merge branch 'hotfix/2.5.1' into develop
updating poms for development