lxc-plamo stop:
* creating objects under /dev when creating the container
* removing /dev population process from original rc script

now populate /dev at container boot time, and allow to enable
lxc.autodev=1
Signed-off-by: KATOH Yasufumi <karma@jazz.email.ne.jp>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>