[PATCH 1 of 4 V2] sslutil: use certificates provided by certifi if available

[Yuya Nishihara]

On Mon, 04 Jul 2016 10:04:37 -0700, Gregory Szorc wrote:
> # HG changeset patch
> # User Gregory Szorc <gregory.szorc at gmail.com>
> # Date 1467651525 25200
> #      Mon Jul 04 09:58:45 2016 -0700
> # Node ID 21168a74003cc690f9a2ef7059e382996965247d
> # Parent  e61ab83a2ee04e5446a0778b692a5f0fca925358
> sslutil: use certificates provided by certifi if available

The series LGTM, queued, thanks.