moved to Sesame 2.7.12. Made ExtendedRepositoryConnection extend
RepositoryConnectionWrapper.
replaced use of StatementsIterator with Sesame Model
Merge branch 'master' into sesame-upgrade
added TODO
removed statementsiterator, replaced by use of standard Sesame Model
interface
Merge branch 'master' into sesame-upgrade

Conflicts:
	src/main/java/org/springframework/data/semantic/support/convert/SemanticEntityPersisterImpl.java
Merge pull request #1 from kpentchev/sesame-upgrade

Sesame upgrade