Update lxc-ps.sgml.in to lxc-0.9.0
Update lxc-restart.sgml.in to lxc-0.9.0
Update lxc-shutdown.sgml.in to lxc-0.9.0 (only original English doc)
Add lxc-start-ephemeral.sgml.in and translate
Update lxc-start.sgml.in to lxc-0.9.0