update ChainNER4 to specify the statisticsDomain
update ChainNER4 to specify the statisticsDomain

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