[gnome-themes-standard] release: prepare for 3.9.91

[Cosimo Cecchi <cosimoc src gnome org>]

commit 14b87667eee8b1aa776cf0ee81a48a361f81b547
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Sep 2 22:15:42 2013 -0700

    release: prepare for 3.9.91

 NEWS         |   19 +++++++++++++++++++
 configure.ac |    2 +-
 2 files changed, 20 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index b46dfc8..036ca31 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,22 @@
+3.9.91
+======
+
+GTK3:
+  Improve support for headerbars styling (Allan Day, Paolo Borelli,
+  Jakub Steiner)
+  Increase legibility of pushed button style (Allan Day)
+  Fix CSD shadows for dark themed windows (Matthias Clasen)
+  Fix dim-label color on selected rows (Thomas Wood)
+  Fix font style for context menus (Matthias Clasen)
+  Fixes for destructive/suggested-action buttons (Andreas Nilsson)
+  App specific fixes for Baobab, Nautilus (Stefano Facchini, António Fernandes)
+
+HighContrast:
+  Add support for CSD and headerbars
+  Fix insensitive menu items styling
+  Fix extra frame for GtkStatusbar
+  App specific fixes for Nautilus
+
 3.9.90
 ======
 
diff --git a/configure.ac b/configure.ac
index 8d4b834..71e05cf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ(2.53)
 
-AC_INIT([gnome-themes-standard], [3.9.90],
+AC_INIT([gnome-themes-standard], [3.9.91],
         [http://bugzilla.gnome.org/enter_bug.cgi?product=gnome-themes-standard])
 
 AC_CONFIG_MACRO_DIR([m4])