[SciPy-Dev] scipy stats tutorial

[nicky van foreest]

> Could you remove the use of the extradoc parameter? It's not needed anymore,
> and we'll probably get rid of it at some point. Looking at the docstring can
> be done with help() in the Python interpreter or "?" in IPython.

I have removed it.

> Note that when you push commits to a branch on Github from which you have
> already made a pull request, those commits are added to that PR. So yours
> ended up at https://github.com/scipy/scipy/pull/205. Which is fine with me,
> since it's related anyway. And diffs are always good to have.

I was not aware of this. I hope the commits are separated, though,
just to separate the different changes (some wrt distribututions.py
and some wrt the tutorial). So I suppose that I could/should have
prevented this by making a new branch.

Nicky