[polari] Bump version to 3.18.1

[Florian Müllner <fmuellner src gnome org>]

commit 4207b96830ea156b0c97a82189373396b1d88234
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Oct 14 02:40:45 2015 +0200

    Bump version to 3.18.1
    
    Update NEWS.

 NEWS         |   20 ++++++++++++++++++++
 configure.ac |    2 +-
 2 files changed, 21 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index a502c82..f02f041 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,23 @@
+3.18.1 - "It's Yoghurt. It's French."
+=====================================
+* Don't highlight nickname matches inside words [Florian; #755166]
+* Base nick highlighting and online status on "basenick" [Florian; #755133]
+* Suggest default values for new connections [Kunaal; #709980]
+* Improve handling of channel names with capital letters [Florian; #755722]
+* Fix ellipsization in user list [Jurijs; #755477]
+* Use paste.gnome.org as paste service [Florian; #726053]
+* Default to account of the currently active room in dialogs [Kunaal; #755771]
+* Fix room list ordering on account name changes [Cody; #756319]
+* Highlight room list header on hover if sensitive [Cody; #755158]
+* Misc. bug fixes [Florian; #753420, #756359]
+
+Contributors:
+  Kunaal Jain, Jurijs KolomijecS, Florian Müllner, Cody Welsh
+
+Translations:
+  Милош Поповић [sr], Милош Поповић [sr latin], Daniel Mustieles [es],
+  Jiri Grönroos [fi], Fabio Tomat [fur]
+
 3.18.0 - "What's the Japanese for 'slut'?"
 ==========================================
 
diff --git a/configure.ac b/configure.ac
index ddde2ed..05d160f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([polari],[3.18.0],[https://bugzilla.gnome.org/enter_bug.cgi?product=polari],[polari])
+AC_INIT([polari],[3.18.1],[https://bugzilla.gnome.org/enter_bug.cgi?product=polari],[polari])
 AX_IS_RELEASE([git-directory])
 
 AC_SUBST([APP_ID],[org.gnome.Polari])