various fixes for openSUSE template for lxc-clone usage

- create /etc/hostname as symlink to /etc/HOSTNAME
- fix inadequate space in lxc.mount config, preventing lxc-clone to work

Jiri Slaby: some cleanups

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
shutdown fixes for openSUSE container

- mount /run on tmpfs outside container
- replace /var/run bind mount on /run by a symlink

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
give a hint if old cgroup can't be moved

When cgroup can't be moved, it might be a hint container is already
running.

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
lxc-opensuse: update for 12.2

This adaptation of systemd. We also add network configuration support.

Jiri Slaby: cleanups, rebase

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
lxc-opensuse: extend base

Base no longer provides bash, sed and tar, but we need those. So add them.

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
lxc-opensuse: proper failure

Fail if something goes wrong. We used to continue and show one failure
after another.

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
lxc-opensuse: print \n from one echo

Otherwise the output looks like:
Copying rootfs to /var/lib/lxc/tomcat/rootfs ...Please change
root-password !

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>