Used to access directly to VM.

hosts-dict alone is not powerful enough: in some cases, we want to alias a
foreign hostname in order to control access to it (ex: to make interface
calls fail on a clone).

Conflicts:
	stack/erp5/buildout.cfg
	stack/erp5/instance-erp5-cluster.cfg.in
	stack/erp5/instance-mariadb.cfg.in
	stack/erp5/instance-tidstorage.cfg.in
	stack/erp5/instance.cfg.in