The 13th Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey Mapping Nearby Galaxies at Apache Point Observatory - Albareti F; Prieto C; Almeida A; Anders F; Anderson S; Andrews B; Aragón-Salamanca A; Argudo-Fernández M; Armengaud E; Aubourg É; Avila-Reese V; Badenes C; et al. (Astrophysical Journal Supplement Series, 2017)