Case T-400/10: Judgment of the General Court of 17 December 2014  — Hamas v Council (Common foreign and security policy — Restrictive measures against certain persons and entities with a view to combating terrorism — Freezing of funds — Factual basis of the decisions to freeze funds — Reference to terrorist acts — Need for a decision of a competent authority for the purpose of Common Position 2001/931 — Obligation to state reasons — Temporal adjustment of the effects of an annulment)