[mutter/wayland] Bump version to 3.9.91

[Giovanni Campagna <gcampagna src gnome org>]

commit c2bf44fa19e176c28b6098d5fca1a8038d505836
Author: Giovanni Campagna <gcampagn redhat com>
Date:   Thu Sep 5 11:01:53 2013 +0200

    Bump version to 3.9.91
    
    Update NEWS

 NEWS         |   33 +++++++++++++++++++++++++++++++++
 configure.ac |    2 +-
 2 files changed, 34 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 2da7cdc..75261b9 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,36 @@
+3.9.91
+======
+* Drop man pages for removed utilities [Kalev; #706579]
+* Add support for idle tracking [Giovanni, Cosimo; #706005, #707250]
+* Skip CRTC reconfigurations that have no effect [Giovanni; #706672]
+* Ignore skip-taskbar hints on parentless dialogs [Giovanni; #673399]
+* Don't save pixbuf data in user data [Tim; #706777]
+* Don't queue redraws for obscured regions [Adel; #703332]
+* Suppor the opaque region hints for wayland clients [Jasper; #707019]
+* Turn blending off when drawing entirely opaque regions [Jasper; #707019]
+* Check event timestamps before reconfiguring [Giovanni; #706735]
+* Merge the DBus API for display configuration in the wayland branch [Giovanni]
+* Install an X IO error handler for XWayland [Giovanni; #706962]
+* Use the clutter xkbcommon integration for the wayland keyboard [Giovanni; #705862]
+* Add a setuid helper for running on KMS+evdev [Giovanni, Colin; #705861]
+* Add keybindings for switching VT [Giovanni; #705861]
+* Implement plugin modality when running as a wayland compositor [Giovanni; #705917]
+* Add support for the application menu for wayland clients [Giovanni; #707128]
+* Several Coverity spotted fixes [Jasper]
+* Don't create a dummy texture for the texture template [Neil; #707458]
+* Use a more conservative paint volume for obscured windows [Adel]
+* Misc bug fixes [Giovanni, Colin, Seán, Jasper, Cosimo; #706582, #706598,
+  #706787, #706729, #706825, #707081, #707090, #707267, #706982, #706289]
+
+Contributors:
+  Giovanni Campagna, Cosimo Cecchi, Adel Gadllah, Colin Guthrie, Kalev Lember,
+  Tim Lunn, Jasper St. Pierre, Neil Roberts, Rico Tzschichholz, Seán de Búrca
+
+Translations:
+  Piotr Drąg [pl], Alexandre Franke [fr], Kjartan Maraas [nb],
+  Milo Casagrande [it], Balázs Úr [hu], Seán de Búrca [ga], Fran Diéguez [gl],
+  Daniel Mustieles [es], Aurimas Černius [lt], Gil Forcada [ca]
+
 3.9.90
 ======
 * First release from the wayland branch, includes basic support for running
diff --git a/configure.ac b/configure.ac
index efd8fb8..432f74c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ AC_PREREQ(2.50)
 
 m4_define([mutter_major_version], [3])
 m4_define([mutter_minor_version], [9])
-m4_define([mutter_micro_version], [90])
+m4_define([mutter_micro_version], [91])
 
 m4_define([mutter_version],
           [mutter_major_version.mutter_minor_version.mutter_micro_version])