VMM/Transport: reworked Transport class.
Use assertions for argument checks. Removed methods getID() and
getTransport(). This values are now accessible through the read-only
attributes id and transport.
VMM/{Account,Domain}: adjusted to modifications in Transport class.
A few code cleanups.
-- ---
-- 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);