[gnome-tweak-tool] Copy NEWS from 3.26.3

[Jeremy Bicha <jbicha src gnome org>]

commit eb586328441cc027ad0aae6dd6b3823020ae9700
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Mon Oct 30 20:28:57 2017 -0400

    Copy NEWS from 3.26.3

 NEWS        |   17 +++++++++++++++++
 meson.build |    2 +-
 2 files changed, 18 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index bd09111..45058a6 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,20 @@
+3.26.3
+======
+New bugfix release.
+
+* REAMDE: Mention that nautilus gsettings schemas are required (Jeremy)
+
+Contributors:
+ Jeremy Bicha
+
+Translations:
+ Xavi Ivars [ca@valencia], Marek Cernocky [cs], Christian Kirbach [de],
+ Tom Tryfonidis [el], Matej Urbančič [sl], Aron Xu [zh_CN]
+
+3.26.2.1
+========
+Release with correct source.
+
 3.26.2
 ======
 New bugfix release.
diff --git a/meson.build b/meson.build
index 95b3b09..1f9b380 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gnome-tweak-tool',
-  version: '3.26.2',
+  version: '3.26.3',
   meson_version: '>= 0.40.0'
 )