[polari] Bump version to 3.23.1

[Florian Müllner <fmuellner src gnome org>]

commit 3028f351eac09e47ef601241a2aa6438b398e447
Author: Florian Müllner <fmuellner gnome org>
Date:   Sun Oct 30 17:24:58 2016 +0100

    Bump version to 3.23.1
    
    Update NEWS.

 NEWS         |   17 +++++++++++++++++
 configure.ac |    2 +-
 2 files changed, 18 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index ac31f90..e56efc0 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,20 @@
+3.23.1 - "Birth and Death in the same Episode"
+==============================================
+* Line-wrap app notifications [Efe; #721763]
+* Mask identify passwords in private chats [Florian; #771888]
+* Use structured logging [Florian; #771218]
+* Fix URL linkification under flatpak [Florian; #772655]
+* Add a contextual popover to nicks in chat log [Rares; #760853]
+* Misc. bug fixes [Florian; #771217, #772068, #771728, #771557,
+  #770749, #773293]
+
+Contributors:
+  Efe Gürkan YALAMAN, Florian Müllner, Rares Visalom
+
+Translations:
+  Milo Casagrande [it], Andika Triwidada [id], Cheng-Chia Tseng [zh_TW],
+  Kjartan Maraas [nb], Marek Černocký [cs], Fabio Tomat [fur]
+
 3.22.0 - "We All Feign a Laugh"
 ===============================
 
diff --git a/configure.ac b/configure.ac
index edadaf9..a40bc76 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([polari],[3.22.0],[https://bugzilla.gnome.org/enter_bug.cgi?product=polari],[polari])
+AC_INIT([polari],[3.23.1],[https://bugzilla.gnome.org/enter_bug.cgi?product=polari],[polari])
 AX_IS_RELEASE([git-directory])
 
 AC_SUBST([APP_ID],[org.gnome.Polari])