Adding current_admin to the global settings:

- New property current_admin added to the Settings.py
    - Fix also translation function

core/language/fr/core-fr.yaml

@@ -2,3 +2,7 @@ traduction:
   # Message help
   - orig: "Access denied!"
     trad: "Accès refusé."
+  - orig: "%s - %sLoaded%s by %s on %s"
+    trad: "%s - %sChargé%s par %s le %s"
+  - orig: "%s - %sNot Loaded%s"
+    trad: "%s - %sNon chargé%s"