updated ontologies from OWL 2 primer

http://www.w3.org/TR/owl2-primer/
Fixed a number of parsing bugs in Manchester OWL Syntax
Fix issues with leftover triples for resource valued annotations.
annotations on datatype definitin axioms fixed in OWL/XML

Annotations for datatype defintion axioms were not written out in
OWL/XML
added annotation tests
Merge remote-tracking branch 'upstream/master'