Military Occupation — Legal Position of the Occupant — Conditions Necessary for Transfer of Sovereign Rights to Occupying Authorities — Scope of Such Transfer — Judgments of German Military Courts set up by Occupant on Offences Alleged to have been Committed by Greek Nationals — Nature of such Judgments — Conditions of Validity — Acquittal by German Military Court — Absence of Jurisdiction of Ordinary Courts to Pass Judgment in the Same Criminal Cause.