Update the Chinese documentation with the nginx.org website.

[Ruslan Ermilov]

On Wed, Sep 26, 2012 at 06:16:27PM +0400, Maxim Konovalov wrote:
> Hi Weibin,
> 
> On 9/26/12 5:48 PM, 姚伟斌 wrote:
> > Hi Maxim,
> > 
> > The attachment is the updated patch as your suggestion.
> > 
> > After discussion with the translation, all the translators agreed to
> > remove their copyright with the translated documentation, just keep
> > the translator attribute. There is no need for the confirmation with
> > the license. It's also easy for your team to publish these translated
> > document.
> > 
> > If there is any problem, let us know.
> > 
> The patch looks good for me.  I'll ask Ruslan to review and commit it.

I've applied some minor whitespace corrections, moved "translator"
between "lang" and "rev" so diffs between "en" and "cn" are easier
to read, added missing copyright blocks, and finally committed it.
Enjoy!