update travis to use new containers, also maven bug should be fixed so remove workaround?
update travis to use new containers, also maven bug should be fixed so remove workaround?

strubell/factorie,melisabok/factorie,asubbaswamy/factorie,factorie/factorie,pogren-oracle/factorie,patverga/factorie,hlin117/factorie,Craigacp/factorie