Case C-227/04 P: Judgment of the Court (Grand Chamber) of 11 September 2007 — Maria-Luise Lindorfer v Council of the European Union (Appeal — Officials — Transfer of pension rights — Professional activities prior to entering the service of the Communities — Calculation of the years of pensionable service — Article 11(2) of Annex VIII to the Staff Regulations — General implementing provisions — Principle of non-discrimination — Principle of equal treatment)