Merge branch 'bug_31_july' into 'beta'

bug du jour 31 juillet (bissextile)

See merge request bde/nk20!254

apps/member/models.py

@@ -295,7 +295,14 @@ class Club(models.Model):
 
         today = datetime.date.today()
 
-        while (today - self.membership_start).days >= 365:
+        # Avoid any problems on February 29
+        if self.membership_start.month == 2 and self.membership_start.day == 29:
+            self.membership_start -= datetime.timedelta(days=1)
+        if self.membership_end.month == 2 and self.membership_end.day == 29:
+            self.membership_end += datetime.timedelta(days=1)
+
+        while today >= datetime.date(self.membership_start.year + 1,
+                                     self.membership_start.month, self.membership_start.day):
             if self.membership_start:
                 self.membership_start = datetime.date(self.membership_start.year + 1,
                                                       self.membership_start.month, self.membership_start.day)