Case C-399/14: Judgment of the Court (Third Chamber) of 14 January 2016 (request for a preliminary ruling from the Bundesverwaltungsgericht — Germany) — Grüne Liga Sachsen eV and Others v Freistaat Sachsen (Reference for a preliminary ruling — Directive 92/43/EEC — Article 6(2) to (4) — Site included in the list of sites of Community importance after a project was authorised but before it began to be carried out — Review of the project after the site was included in that list — Rules governing that review — Consequences of the completion of the project for the choice of alternatives)