Merge branch 'yandex_rebiling' into 'dev'

finance logging

See merge request !388

lms/settings.py

@@ -36,7 +36,8 @@ CELERY_EMAIL_TASK_CONFIG = {
 CELERYBEAT_SCHEDULE= {
     'periodic_billing': {
         'task': 'finance.tasks.periodic_billing',
-        'schedule': crontab(minute='0',hour='*/3',),
+        'schedule': crontab(minute='*/5',hour='*/3',),
+        # 'schedule': crontab(minute='0',hour='*/3',),
     },
 }