Updated README
JDK8: compilation fixes for b84
RDF: Upgraded Sesame to 2.7.0

The Aduna repository has been taken down.
http://sourceforge.net/mailarchive/message.php?msg_id=30727718

Artifacts are now in Maven Central.

So I removed the Aduna repository and upgraded Sesame to 2.7.0 that is
available.
Prevent deadlock situation in applyChanges.
Merge pull request #12 from arvidhuss/develop

Prevent deadlock situation in applyChanges.
Merge branch 'release/2.0'