STANBOL-1170: fixes the incompatibility of o.a.stanbol.entityhub.query.clerezza 0.12.0 with 0.11.0 (see issue for details)

git-svn-id: https://svn.apache.org/repos/asf/stanbol/trunk@1533710 13f79535-47bb-0310-9956-ffa450edef68