JENA-746 : Update to use jsonld-java v0.5.0

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1611935 13f79535-47bb-0310-9956-ffa450edef68
Comment and tidy

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1611936 13f79535-47bb-0310-9956-ffa450edef68
JENA-745: Fixes for writing TriG (shared bnodes across graphs)

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1611937 13f79535-47bb-0310-9956-ffa450edef68
JENA-741 : Handle bad replace group

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1611942 13f79535-47bb-0310-9956-ffa450edef68