Policy proposal: generate packages when autotools update

[Kean Johnston]

> This would mean regenerating the fonts in particular every release,
> which is certainly not what we want.  The approach Debian takes (it has
Oh and by the way, that isn't necessarily true. If the autotools
environment doesn't change between 7.2 and 7.36 ... those 34 versions
won't need to have any tarballs rebuilt that didn't have actual changes.

Kean