VMM/account: Integrated class ServiceSet in class Account.
Replaced methods Account.enable() and Account.disable() by
Account.update_serviceset().
VMM/handler: Replaced methods Handler.user_disable() and Handler.user_enable()
by Handler.user_services()
# 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=SELECTdestinationFROMpostfix_relocatedWHEREaddress='%s'