JENA-431
Fix the jena-core N-Triples parser to remove historical features.
Change test data to be legal N-triples by RDF 1.1 (and RDF 2004).

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1465793 13f79535-47bb-0310-9956-ffa450edef68