[geary] Update THANKS with recent contributions

[Michael Gratton <mjog src gnome org>]

commit 2812e8bc2564945279512aa4b7447d99c6c1dee3
Author: Michael Gratton <mike vee net>
Date:   Thu Mar 7 14:50:10 2019 +1100

    Update THANKS with recent contributions

 THANKS | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/THANKS b/THANKS
index e548adc2..6842622a 100644
--- a/THANKS
+++ b/THANKS
@@ -15,13 +15,15 @@ Matthias Clasen <mclasen redhat com>
 Andrea Corbellini <corbellini andrea gmail com>
 Gianfranco Costamagna <costamagnagianfranco yahoo it>
 Sergey Shnatsel Davidoff <sergey elementaryos org>
+Christopher Davis <brainblasted disroot org>
 Joanmarie Diggs <jdiggs igalia com>
 Adam Dingle <adam medovina org>
 Jon Dowland <jmtd debian org>
 Piotr Drąg <piotrdrag gmail com>
 Joel Duncan <joel slethen io>
-Christian Dywan <christian twotoasts de>
+Chirstian Dywan <christian twotoasts de>
 Victor Eduardo <victor elementaryos org>
+Bilal Elmoussaoui <bil elmoussaoui gmail com>
 Emersion <contact emersion fr>
 Erik Faye-Lund <erik faye-lund collabora com>
 Juraj Fiala <jurf riseup net>
@@ -34,6 +36,8 @@ Sven Hagemann <sven rednose nl>
 Mathias Hasselmann <mathias openismus com>
 Alex Henrie <alexhenrie24 gmail com>
 Mohamed Ibrahim <mohamed ib md gmail com>
+Konstantin Kharlamov <Hi-Angel yandex ru>
+Christian Kellner <christian kellner me>
 Andre Klapper <a9016009 gmx de>
 Kristian Klausen <kristian klausen dk>
 Timo Kluck <tkluck infty nl>
@@ -62,6 +66,7 @@ Gautier Pelloux-Prayer <gautier damsy net>
 Jordan Petridis <jpetrids gnome org>
 Adrien Plazas <kekun plazas laposte net>
 Ralph Plawetzki <ralph purejava org>
+p3732 <p3732 users noreply github com>
 nick richards <nick richards gmail com>
 Mario Sanchez Prada <msanchez igalia com>
 Tiago Quelhas <tiagoq gmail com>