Joined Cases T-104/07 and T-339/08: Judgment of the General Court of 11 July 2013 — BVGD v Commission (Competition — Agreements and abuse of a dominant position — Rough diamond market — ‘Supplier of Choice’ (SOC) system of distribution — Decision rejecting a complaint — No Community interest — Legal basis — Procedural rights of a complainant — Access to documents — Obligations in relation to the investigation of a complaint — Market foreclosure effects — Manifest error of assessment)