[PATCH 1 of 5] match: handle everything-matching using new alwaysmatcher

[Yuya Nishihara]

On Mon, 29 May 2017 23:50:31 -0700, Martin von Zweigbergk via Mercurial-devel wrote:
> # HG changeset patch
> # User Martin von Zweigbergk <martinvonz at google.com>
> # Date 1495219801 25200
> #      Fri May 19 11:50:01 2017 -0700
> # Node ID 6be5ea3cf222fd799abff57f42e48da5a764c0a7
> # Parent  cf7c88986e9f64926bdf79b04e2777d730cf8cb0
> match: handle everything-matching using new alwaysmatcher

Great. Queued these, thanks.