VMM/Alias.py: Replaced some %r with '%s'.
VMM/AliasDomain.py: save(), switch(), delete(): Update AliasDomain._gid after
database change. Added dbc.close() to AliasDomain.delete().
create_tables{,-dovecot-1.2.x}.pgsql: Fixed a typo.
-- ---
-- with Dovecot v1.2.x the service managesieve was renamed to sieve
-- ---
ALTER TABLE users RENAME managesieve TO sieve;
DROP VIEW dovecot_password;
CREATE OR REPLACE VIEW dovecot_password AS
SELECT local_part || '@' || domain_name.domainname AS "user",
passwd AS "password", smtp, pop3, imap, sieve
FROM users
LEFT JOIN domain_name USING (gid);