Further edits to CHANGELOG.txt.
Further edits to CHANGELOG.txt.

zxsted/factorie,patverga/factorie,asubbaswamy/factorie,Craigacp/factorie,digitalreasoning/factorie-scala-210,malcolmgreaves/factorie,joprice/factorie,hlin117/factorie,pogren-oracle/factorie,factorie/factorie,melisabok/factorie,strubell/factorie