[Distutils] Deprecate MANIFEST.in

[David Cournapeau]

Tarek Ziadé wrote:
> what do you mean ? (beside the feature that is decribed in the ticket
> - which enables adding files recursively)
>   

I mean something more fine-grained than package_data, and more explicit.
So that we can separate tests, documentation, etc... as every linux
packaging expects. For people who do not care, we can keep the
package_data which put everything together.

cheers,

David