[mutter/wayland] Bump version to 3.11.91

[Florian Müllner <fmuellner src gnome org>]

commit 54df7934ea87bce9a1abc2bf709af3b425c7025d
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Mar 5 23:41:22 2014 +0100

    Bump version to 3.11.91
    
    Update NEWS.

 NEWS         |   14 ++++++++++++++
 configure.ac |    2 +-
 2 files changed, 15 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index cf66b41..045021e 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,17 @@
+3.11.91
+=======
+* Don't use keysym to match keybindings [Rui; #678001]
+* Fix message tray icons showing up blank (again) [Adel; #725180]
+* Improve keybinding lookups [Rui; #725588]
+* Fix dynamic updates of titlebar style properties [Owen; #725751]
+* Fix positioning of manually positioned windows [Owen; #724049]
+* Misc bug fixes and cleanups [Jasper, Carlos, Adel, Giovanni, Florian; #720631,
+  #724969, #725216, #724402, #722266, #725338, #725525]
+
+Contributors:
+  Giovanni Campagna, Adel Gadllah, Carlos Garnacho, Rui Matos, Florian Müllner,
+  Jasper St. Pierre, Owen W. Taylor
+
 3.11.90
 =======
 * Fix double-scaling on high DPI resolutions [Adel; #723931]
diff --git a/configure.ac b/configure.ac
index aa5c06d..785d076 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ AC_CONFIG_MACRO_DIR([m4])
 
 m4_define([mutter_major_version], [3])
 m4_define([mutter_minor_version], [11])
-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])