CESNET/perun — pull request #473 by zlamalp (2014-09-10 10:22:42+00:00)
Title: REGISTRAR: use VO's to/from mail addresses as backup for group notifications.

- When group attributes with to/from mail adresses are not set, then try to use VOs
attributes instead. If that fails too, use backup address perun@cesnet.cz from config.