TSV format for ASK queries.

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1512600 13f79535-47bb-0310-9956-ffa450edef68
Improve javadoc.

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1512602 13f79535-47bb-0310-9956-ffa450edef68
Add prefix for the W3C Turtle tests root (final publication).

git-svn-id: https://svn.apache.org/repos/asf/jena/trunk@1512674 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch: upstream/trunk