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.
# All parameters are described in pgsql_table(5) / PGSQL PARAMETERS
#
# The hosts that Postfix will try to connect to and query from.
hosts = localhost
# The user name and password to log into the pgsql server.
user = postfix
password = some_password
# The database name on the servers.
dbname = mailsys
# The SQL query template used to search the database
query = SELECT destination FROM postfix_alias WHERE address='%s'