add $backup_dir_mount_cmd to mail-backup

Florian Schaal

2014-11-04 28a1dcf7efcfbe9ad7cb3010759d111b80659d63

 install/sql/incremental/upd_0011.sql

New file
@@ -0,0 +1,2 @@
-- use text for groups
ALTER TABLE `sys_user` CHANGE `groups` `groups` TEXT;