[mutter] Bump version to 3.7.91

[Florian Müllner <fmuellner src gnome org>]

commit dc3529d98abf586ebd3f5f3f0dae6526b19c358a
Author: Florian Müllner <fmuellner gnome org>
Date:   Mon Mar 4 21:21:14 2013 +0100

    Bump version to 3.7.91
    
    Update NEWS.

 NEWS         |   21 +++++++++++++++++++++
 configure.ac |    2 +-
 2 files changed, 22 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index f6f2b27..0dfae11 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,24 @@
+3.7.91
+======
+* Fix windows being treated as remote after hostname changes [Ray; #688716]
+* Add meta_window_get_all_monitors() method [Adel; #646861]
+* Add grab API for externally defined accelerators [Florian; #643111]
+* Make session registration an explicit step [Ray; #694876]
+* Avoid unnecessary stage redraws [Adel; #694988, #695006]
+* Misc fixes [Giovanni, Ray, Jasper, Rui, Pavel, Owen; #694801, #694725,
+  #694641, #694393, #678917, #695093, #694837, #695135, #694771, #694321]
+
+Contributors:
+  Giovanni Campagna, Adel Gadllah, Rui Matos, Florian Müllner,
+  Jasper St. Pierre, Ray Strode, Owen Taylor, Pavel Vasin
+
+Translations:
+  Daniel Mustieles [es], Yaron Shahrabani [he], A S Alam [pa], Piotr Drąg [pl],
+  Gheyret Kenji [ug], Alexandre Franke [fr], Milo Casagrande [it],
+  Fran Diéguez [gl], Dimitris Spingos [el], Мирослав Николић [sr, sr latin],
+  Chao-Hsiung Liao [zh_HK, zh_TW], Nguyễn Thái Ngọc Duy [vi],
+  Aurimas Černius [lt], Mario Blättermann [de], Kjartan Maraas [nb]
+
 3.7.90
 ======
 * Support _NET_WM_OPAQUE_REGION [Jasper, Adel; #679901]
diff --git a/configure.ac b/configure.ac
index 9e6ce92..05cde62 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], [7])
-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])