Add prep sample template

Good call
On Nov 22, 2014 10:37 AM, "josenavas" <notifications@github.com> wrote:

> In qiita_db/support_files/patches/python_patches/6.py:
>
> > @@ -0,0 +1,30 @@
> > +from os.path import join
>
> It would be good to have some comments on top of the file, with the date
> (as the SQL patches), why this is needed and what it is doing.
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/biocore/qiita/pull/674/files#r20758534>.
>