[pymvpa] Please do not yet merge sg/master from alioth

[Scott Gorlin]

> can't you select just a subpart of a file? like we have for BOLD sample
> -- just 1 slice. That reduces the size considerably and makes it
> possible to ship it for unittests without causing too much traffic,
>
>   
yes, though i have to boot into windoze... :(

I was hoping to keep them intact since they are the test files 
distributed by Plexon, but clearly this is an issue so I'll take care of it.