implementation of STANBOL-1262 and STANBOL-1266 for the 0.12 brnach: EntityLinking now considers Chunks with NER_ANNOTATIONS if Noun Phrases are marked as processable chunks; Multiple overlapping Chunks are no longer merged, but the latest Chunk is used instead

git-svn-id: https://svn.apache.org/repos/asf/stanbol/branches/release-0.12@1560281 13f79535-47bb-0310-9956-ffa450edef68