This introduces manpages for:
 - lxc-checkconfig
 - lxc-device
 - lxc-info
 - lxc-netstat
 - lxc-shutdown (wasn't in Makefile)
 - lxc-start-ephemeral
 - lxc-version

This commit also sorts configure.ac and Makefile.am.
Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>