[mutter/wayland] Bump version to 3.12.0

[Florian Müllner <fmuellner src gnome org>]

commit eba848e8aaf002e5e87c3924b51f205ad6cc809f
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Mar 25 16:19:39 2014 +0100

    Bump version to 3.12.0
    
    Update NEWS.

 NEWS         |    8 ++++++++
 configure.ac |    4 ++--
 2 files changed, 10 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index cec3177..d7dee72 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+3.12.0
+======
+* Fix grab issue with SSD xwayland windows [Rui; #726123]
+* Misc. bug fixes [Jasper, Ray, Rui, Florian; #727011]
+
+Contributors:
+  Rui Matos, Florian Müllner, Jasper St. Pierre, Ray Strode
+
 3.11.92
 =======
 * Fix identification of CSD windows [Owen; #723029]
diff --git a/configure.ac b/configure.ac
index 250ed67..6ca7add 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,8 +2,8 @@ AC_PREREQ(2.50)
 AC_CONFIG_MACRO_DIR([m4])
 
 m4_define([mutter_major_version], [3])
-m4_define([mutter_minor_version], [11])
-m4_define([mutter_micro_version], [92])
+m4_define([mutter_minor_version], [12])
+m4_define([mutter_micro_version], [0])
 
 m4_define([mutter_version],
           [mutter_major_version.mutter_minor_version.mutter_micro_version])