bp: add TransientModelPiece: same as ModelPiece but requires less memory; useful for large training sets
bp: add TransientModelPiece: same as ModelPiece but requires less memory; useful for large training sets

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