[gnome-logs] Update NEWS for 3.13.91 release

[David King <davidk src gnome org>]

commit 538a9bc12814fea56b513a1390a91d549bd546e8
Author: David King <davidk gnome org>
Date:   Mon Sep 1 14:59:42 2014 +0100

    Update NEWS for 3.13.91 release

 NEWS         |    5 +++++
 configure.ac |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index a6a53cd..631a4ad 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,8 @@
+GNOME Logs 3.13.91
+==================
+
+* add extra Utilities category to the desktop file from Elad Alfassa
+
 GNOME Logs 3.13.90
 ==================
 
diff --git a/configure.ac b/configure.ac
index f30f79a..8f17e5f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_INIT([Logs],
-        [3.13.90],
+        [3.13.91],
         [davidk gnome org],
         [gnome-logs],
         [https://wiki.gnome.org/Apps/Logs])