[gnome-boxes] Release 3.23.4

[Felipe Borges <felipeborges src gnome org>]

commit da7fee99fd24622c40eeaad0d71b7876c9cf15ed
Author: Felipe Borges <felipeborges gnome org>
Date:   Wed Jan 18 12:55:51 2017 +0100

    Release 3.23.4

 NEWS |   25 +++++++++++++++++++++++++
 1 files changed, 25 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 3e20e9b..43319d0 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,28 @@
+3.23.4 - Jan 18, 2017
+=====================
+
+Changes since 3.23.3:
+
+- Add option groups for spice-gtk, gtk-vnc and gtk+.
+- Fix typo in debug string in vm-configurator.
+- Withdraw system notifications on exit
+
+Dependencies changed:
+
+spice-gtk <= 0.32
+
+All contributors to this release:
+
+Debarshi Ray <debarshir gnome org>
+Dušan Kazik <prescott66 gmail com>
+Efstathios Iosifidis <eiosifidis gnome org>
+Fábio Nogueira <fnogueira gnome org>
+Felipe Borges <felipeborges gnome org>
+Jiri Grönroos <jiri gronroos iki fi>
+Jordi Mas <jmas softcatala org>
+Rafael Fontenelle <rafaelff gnome org>
+Visarion Alexandru <viorel visarion gmail com>
+
 3.23.3 - Dec 13, 2016
 =====================