[PATCH 3 of 5 V2] revset: use getargsdict for sort()

[Yuya Nishihara]

On Mon, 23 May 2016 22:12:00 -0700, Martijn Pieters wrote:
> # HG changeset patch
> # User Martijn Pieters <mjpieters at fb.com>
> # Date 1464037790 25200
> #      Mon May 23 14:09:50 2016 -0700
> # Node ID 33021f61f93f4342f79528e61fa330ba47acbd4e
> # Parent  eae833e8ed17f2da948155849daa2959ce535c38
> revset: use getargsdict for sort()

I've queued this one.