Merge branch 'master' into Kerl/prevent_err_500_admin

gestioncof/admin.py

@@ -164,6 +164,12 @@ class PetitCoursAttributionCounterAdmin(admin.ModelAdmin):
     list_filter = ('matiere',)
     search_fields = ('user__username', 'user__first_name', 'user__last_name',
                      'user__email', 'matiere__name')
+    actions = ['reset',]
+    actions_on_bottom = True
+    
+    def reset(self, request, queryset):
+        queryset.update(count=0)
+    reset.short_description = u"Remise à zéro du compteur"
 
 class PetitCoursDemandeAdmin(admin.ModelAdmin):
     list_display = ('name','email','agrege_requis','niveau','created',