Update common_options.sgml.in to commit '9d0cda4f22f76d693e2ceef0f77f2ba24227433c' on original.
Update lxc-attach.sgml.in to commit '9d0cda4f22f76d693e2ceef0f77f2ba24227433c' on original.
Merge branch 'master' of github.com:tenforward/lxc-doc-ja