STANBOL-1224: backport of the DereferenceEngine to the 0.12 branch

git-svn-id: https://svn.apache.org/repos/asf/stanbol/branches/release-0.12@1547059 13f79535-47bb-0310-9956-ffa450edef68
STANBOL-1225: deprecation of entitylinking functionaliy of the EntityLinking, NamedEntityLinking and EntityTagging engine in the trunk.

git-svn-id: https://svn.apache.org/repos/asf/stanbol/branches/release-0.12@1547071 13f79535-47bb-0310-9956-ffa450edef68
STANBOL-1222: fixed a possible exception within debug level logging code

git-svn-id: https://svn.apache.org/repos/asf/stanbol/branches/release-0.12@1547106 13f79535-47bb-0310-9956-ffa450edef68
STANBOL-1227: Adapted the launcher configuration of the 0.12 branch to use the Entityhub dereference engine

git-svn-id: https://svn.apache.org/repos/asf/stanbol/branches/release-0.12@1547107 13f79535-47bb-0310-9956-ffa450edef68