sr: accumulate gradient before adding, so that there is scope for projecting
sr: accumulate gradient before adding, so that there is scope for projecting

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