changing mongo script variable name from user_signals to input_signals
changing mongo script variable name from user_signals to input_signals

michaelshing/mortar-recsys,kristinagreg/bm,mortardata/mortar-recsys,osaleh/ReccomenderSystem,kristinagreg/bm,osaleh/ReccomenderSystem,michaelshing/mortar-recsys,ShadySQL/mortar-recsys,mortardata/mortar-recsys,ShadySQL/mortar-recsys