CONTRIBUTORS: second round of updates for Go 1.13

This update has been automatically generated using the updatecontrib
command:

	cd gotip
	go run golang.org/x/build/cmd/updatecontrib

With minor manual changes based on publicly available information
to canonicalize letter case for a few names.

Actions taken (relative to CONTRIBUTORS at origin/master):

	Added Albert Teoh <albert.teoh@gmail.com>
	Added Allen Li <ayatane@google.com>
	Added Anderson Queiroz <contato@andersonq.eti.br>
	Added Andrew Todd <andrew.todd@wework.com>
	Added Artem Kolin <artemkaxboy@gmail.com>
	Added Bharath Thiruveedula <tbharath91@gmail.com>
	Added Christian Muehlhaeuser <muesli@gmail.com>
	Added Darren McCleary <darren.rmc@gmail.com>
	Added David Finkel <david.finkel@gmail.com>
	Added Eddie Scholtz <escholtz@google.com>
	Added GitHub User tatsumack (4510569) <tatsu.mack@gmail.com>
	Added GitHub User utkarsh-extc (53217283) <53217283+utkarsh-extc@users.noreply.github.com>
	Added GitHub User yuanhh (1298735) <yuan415030@gmail.com>
	Added Illya Yalovyy <yalovoy@gmail.com>
	Added James Eady <jmeady@google.com>
	Added Jan Steinke <jan.steinke@gmail.com>
	Added Javier Revillas <jrevillas@massivedynamic.io>
	Added Jordi Martin <jordimartin@gmail.com>
	Added Jorge Araya <jorgejavieran@yahoo.com.mx>
	Added Kelly Heller <pestophagous@gmail.com>
	Added Kevin Gillette <extemporalgenome@gmail.com>
	Added Mark Glines <mark@glines.org>
	Added Nao Yonashiro <owan.orisano@gmail.com>
	Added Pascal Dierich <pascal@pascaldierich.com>
	Added Pure White <wu.purewhite@gmail.com>
	Added Sam Arnold <sarnold64@bloomberg.net>
	Added Sander van Harmelen <sander@vanharmelen.nl>
	Added Sergei Zagurskii <gvozdoder@gmail.com>
	Added Shivani Singhal <shivani.singhal2804@gmail.com>
	Added Stefan Baebler <sbaebler@outbrain.com>
	Added Tianon Gravi <admwiggin@gmail.com>
	Added Toshihiro Shiino <shiino.toshihiro@gmail.com>
	Added Wagner Riffel <wgrriffel@gmail.com>
	Used GitHub User tatsumack (4510569) form for tatsumack <tatsu.mack@gmail.com> https://github.com/golang/website/commit/7eeb7ef [website]
	Used GitHub User utkarsh-extc (53217283) form for utkarsh-extc <53217283+utkarsh-extc@users.noreply.github.com> https://github.com/golang/sys/commit/51ab0e2 [sys]
	Used GitHub User yuanhh (1298735) form for yuanhh <yuan415030@gmail.com> https://github.com/golang/crypto/commit/60c769a [crypto]
	Used GitHub name "Akhil Indurti" for smasher164 <aindurti@gmail.com> https://github.com/golang/go/commit/5ca44dc403 [build exp go sys]
	Used GitHub name "Artem Kolin" for artemkaxboy <artemkaxboy@gmail.com> https://github.com/golang/go/commit/e881604d1c [go]
	Used GitHub name "Ivan Markin" for nogoegst <nogoegst@users.noreply.github.com> https://github.com/golang/go/commit/a1addf15df [go]
	Used GitHub name "Keiji Yoshida" for yosssi <yoshida.keiji.84@gmail.com> https://github.com/golang/lint/commit/ac6833c [lint]
	Used GitHub name "Michalis Kargakis" for kargakis <mkargaki@redhat.com> https://github.com/golang/go/commit/e243d242d7 [go]
	Used GitHub name "Roberto Clapis" for Roberto <empijei@users.noreply.github.com> https://github.com/golang/go/commit/963776e689 [go]
	Used GitHub name "Robin Eklind" for mewmew <rnd0x00@gmail.com> https://github.com/golang/go/commit/b8620afb8d [blog go proposal.git]

Updates #12042

Change-Id: I1b21a18138849c537048558dd4324a823ba12a14
Reviewed-on: https://go-review.googlesource.com/c/go/+/192099Reviewed-by: Andrew Bonventre <andybons@golang.org>
Run-TryBot: Andrew Bonventre <andybons@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>