VMM/maillocation: MailLocation.__init__(): take a 'format' name,
instead of a 'directory' name.
- added function known_format() to the module.
VMM/Account: Adjusted to above changes.
# 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=postfixpassword=some_password# The database name on the servers.dbname=mailsys# The SQL query template used to search the databasequery=SELECTmaildirFROMpostfix_maildirWHEREaddress='%s'