Add comment about renaming SGDTrainer -> OnlineTrainer.
Add comment about renaming SGDTrainer -> OnlineTrainer.

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