Case T-536/11: Judgment of the General Court of 8 July 2015 — European Dynamics Luxembourg and Others v Commission (Public service contracts — Tender procedure — Provision of computing services for the development and maintenance of software, consultancy and assistance for different types of IT applications — Ranking of a tenderer’s bid in the cascade for different lots and ranking of the bids of other tenderers — Obligation to state reasons — Award criterion — Manifest error of assessment — Non-contractual liability)