Case C-431/14 P: Judgment of the Court (Grand Chamber) of 8 March 2016 — Hellenic Republic v European Commission (Appeal — State aid — Compensation payments made by the Greek Agricultural Insurance Organisation (ELGA) in 2008 and 2009 — Decision declaring aid incompatible with the internal market and ordering its recovery — Concept of ‘State aid’ — Article 107(3)(b) TFEU — Guidelines for State aid in the agricultural sector — Obligation to state reasons — Distortion of evidence)