To assess the safety and tolerability and preliminary anti-tumor activity of lirilumab (BMS-986015) given in combination with nivolumab (BMS-936558) and to identify dose limiting toxicities (DLTs) and the maximally tolerated dose (MTD) of the combination. In addition, to assess the combinations of lirilumab and nivolumab or lirilumab and nivolumab plus ipilimumab (BMS-734016) in subjects with advanced (metastatic and/or unresectable) refractory solid tumors.