Allows proper iteration over result set in sesame, (Avoids the earlier
behaviour of first fetching all results and then returning the
TupleQueryResult.)
Merge remote-tracking branch 'origin/develop' into feature/sesameResultIteration
Merge branch 'develop' into feature/sesameResultIteration

Conflicts:
	quest-sesame/src/main/java/sesameWrapper/SesameTupleQuery.java
Added test for result iteration in sesame. Naively testing that it is
faster to not extract all results in the api code.
Merge branch 'feature/sesameResultIteration' into develop
Merge branch 'develop' into version2

Merged the sesame-result iteration stuff into version2

Conflicts:
	quest-sesame/src/main/java/org/semanticweb/ontop/sesame/SesameTupleQuery.java
Merge branch 'version2' into feature/aggregates2

Merged the stuff from sesame result iteration