STANBOL-1163: adapted the UnitTest of the EntityTaggingEngine (Named Entity Linking) to use a Person, Organization and Place presnet in the new DBpedia default data set. Also added tests where only Person, Organization and Place linking is enabled.

git-svn-id: https://svn.apache.org/repos/asf/stanbol/trunk@1533332 13f79535-47bb-0310-9956-ffa450edef68