in progress
Author Coref setup.
Finishing mongo setup.
Adding canopies and such.
Code for reading and writing from mongo and tsv for Author Coref, together with code for canopy generation.
Added a bunch of methods for AI2 coref.
Merge branch 'author-coref'

Conflicts:
	pom.xml
	src/main/scala/cc/factorie/app/nlp/hcoref/TACCoref.scala