Fixes coreference results

 - updated the CR_PATTERN regex to correctly extract the coreference set
   notation

 - cleaned up the code in the STATE_COREFERENCE if/else branch in
   parse_parser_results to be clearer and actually add the coreference
   results to the result dict.
fixes grouping of coreferences

fixed the terrible bug I left in my previous commit
Merge pull request #1 from dcalacci/coref

Fixes coreference results, updates jar directory