Pull tutorial from the github repo

(Instead of copying into the docs repo.)

 Vulcanize the demo.
Yep. I tested staging it to app engine, and it works without adding any new
config.

(That might suggest we're uploading a bunch of extra stuff, BTW. But that's
a problem for another day.)
 On Aug 14, 2014 10:03 PM, "Eric Bidelman" <notifications@github.com> wrote:

> In docs/start/tutorial/intro.md:
>
> > @@ -37,7 +37,7 @@ subtitle: Your first Polymer application
> >  In this tutorial, you'll build a small {{site.project_title}} application -- a very basic client for a social networking service. The end result will look like this:
> >
> >  <figure layout vertical center>
> > -  <a href="/samples/tutorial/finished/index.html" layout horizontal flex class="unquote-link">
>
> Just checking if you tested these? The link won't work unless one of our
> mappings is catching it.
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/Polymer/docs/pull/601/files#r16280362>.
>