Approval in backend

backend/fr/calendar.json

@@ -1,9 +1,9 @@
 {
     "calendar": {
-        "all_calendars": "All calendars",
-        "exhibition_starts": "Exhibition starts",
-        "exhibition_ends": "Exhibition ends",
-        "loan_starts": "Loan starts",
-        "loan_ends": "Loan ends"
+        "all_calendars": "Tous les calendriers",
+        "exhibition_starts": "L\u2019exposition d\u00e9bute",
+        "exhibition_ends": "L\u2019exposition s'ach\u00e8ve",
+        "loan_starts": "Les pr\u00eats d\u00e9butent",
+        "loan_ends": "Les pr\u00eats s'ach\u00e8vent"
     }
 }