egonw/bacting: Bacting 0.0.8

This releases updates to CDK 2.3 and ported a few rdf manager methods.

Other managers

• importURL(IRDFStore store, String url) which returns an IRDFStore
• importURL(IRDFStore store, String url, Map<String, String> extraHeaders) which does the same but with the option to add additional HTTP headers
• asRDFN3(IRDFStore store) which returns the triples as Notation3
• asTurtle(IRDFStore store) which returns the triples as Turtle)
• asRDF(IRDFStore store, String type) which returns the triples as RDF/XML