[PATCH] Add commit message guidelines to developer policy

[Renato Golin]

On 16 March 2015 at 11:59, scott douglass <sdouglass at arm.com> wrote:
> Is it worth adding a mention of "Differential Revision: <URL>" as per http://llvm.org/docs/Phabricator.html#committing-a-change

I think the other way around would be better. What's needed is for the
Phab doc to mention the commit messages section on the dev policy, so
that people add the relevant bits to the Phab description field.

Feel free to submit a patch review. :)

cheers,
--renato