Case F-61/15: Judgment of the Civil Service Tribunal (Second Chamber) of 20 January 2016 — Proia v Commission (Civil Service — Member of contract staff — Remuneration — Expatriation allowance — Conditions laid down in Article 4(1)(a) of Annex VII to the Staff Regulations — Usual residence prior to the entry into service — Period of study followed by a traineeship and successive employment contracts in the State of employment — Presumed intention of the member of staff concerned to move the permanent centre of his interests from the start of his studies in the State of employment — Absence)