Issue #2702683 by Manuel Garcia, xjm, prics, pguillard, Jo Fitzgerald, vg3095, ztl8702, lucian.cazaciuc, bojanz, tstoeckler, hchonov, rszrama, rteijeiro, svjuly, jibran, vdanielpop, vasike, jmikii, jhodgdon, Wim Leers, amateescu, Gabr1el, Drupa1ish, ciprian.stavovei: Add plural labels to entity types