doc: Update Japanese lxc.container.conf(5) for mounting /sys/fs/cgroup rw

Update for commit b46f055

Signed-off-by: KATOH Yasufumi <karma@jazz.email.ne.jp>
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
doc: Update lxc.container.conf(5) for improving lxc.mount.auto

Update for commit 0769b82

Signed-off-by: KATOH Yasufumi <karma@jazz.email.ne.jp>
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
correct license on file to LGPL vs. GPL and fix address

Signed-off-by: Dwight Engen <dwight.engen@oracle.com>
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>