Update README
Update README

Signed-off-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>

hallyn/lxcfs,Xeno22/lxcfs,hallyn/lxcfs,evgeni/pkg-lxcfs-debian,rhatdan/lxcfs,rhatdan/lxcfs,evgeni/pkg-lxcfs-debian,ralt/lxcfs,ralt/lxcfs,Xeno22/lxcfs