[scikits-image] Restore previous io plugins (#152)

[Stéfan van der Walt]

On Mon, Feb 27, 2012 at 10:41 AM, James Turner <jturner at gemini.edu> wrote:
> I can try to look at this but it might take a couple of days to get
> to. Please let me know if you have Qs in the meantime (I'm not sure
> about auto-loading off the top of my head).

Thanks, James--we await your PR with great anticipation :)  Don't
worry about the auto-loading mechanics--we'll take care of that.

Stéfan