More changes to coref stuff
 Another update
Wrote coref filtering code that checks to see if any entity in the document corefers with the kbp query entity and uses that string as the entity instead
For now keep the entity from the extraction sentence
Made better error handling for Stanfore CoreNLP document annotation
Merge branch 'master' into corefUtils

Conflicts:
	slotfiller/src/main/scala/edu/knowitall/tac2013/app/KBPQuery.scala
Stopped doing suTime annotating for coref pipeline
Merge pull request #68 from jgilme1/corefComponent

Coref component