[Guidelines change] Changes to the packaging guidelines

[Michael Catanzaro]

On Thu, 2015-07-09 at 21:42 -0600, Jerry James wrote:
> If that is not what the word means, then a definition
> in the introduction would be very helpful, since there is no
> definition anywhere on that page.

A hint is a weak dependency that does not affect the default package
suggestion: Suggests and Enhances.

Recommends and Supplements are not hints.

There is a little table at the top of the wiki page; maybe it could be
more clear.