[PATCH 0 of 2] improve phase property method on context

[Matt Mackall]

On Fri, 2012-02-03 at 11:36 +0100, pierre-yves.david at logilab.fr wrote:
> this is a resend of patch I dent during the freeze.

Given that we've decided to have only three phases, I think it would be
best if we simply have public/draft/secret predicates like we do in
revsets and dispense with the attribute terminology.

Related: I think we should explicitly say "public" rather than
"immutable" in mq/rebase error messages.

-- 
Mathematics is the supreme nostalgia of our time.