Java7-isms

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1614394 13f79535-47bb-0310-9956-ffa450edef68
Better in-memory BGP reordering

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1614395 13f79535-47bb-0310-9956-ffa450edef68