Please add all the guys who helped in translation to the colophon of install-guide

[Ruediger Landmann]

Tian Shixiong wrote:
> I agree with Domingo Becker, his suggestion of adding the people to
> the colophon.
> Because many people have contributed to the translation(now or
> before),  but only a  few of them were listed in the install-guide.
> Please consider to do this, if it is possible. :-)
>
>   

Done. Many thanks for your help with translating this guide :)

Regards
Ruediger