[mutter] Bump version to 3.27.1

[Florian Müllner <fmuellner src gnome org>]

commit dbd2827ca174c5aff321361c0900c41587bbf1a6
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Oct 17 17:44:39 2017 +0200

    Bump version to 3.27.1
    
    Update NEWS.

 NEWS         |   18 ++++++++++++++++++
 configure.ac |    2 +-
 2 files changed, 19 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 495d919..cf49647 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,21 @@
+3.27.1
+======
+* Work with clients that require older linux_dmabuf protocol [Daniel; #788558]
+* Support hybrid GPU systems [Jonas; #785381]
+* Prevent crash when closing maximized windows [Jonni; #788666]
+* Use the correct monitor for HiDPI scaling of shell chrome [Jonas; #788820]
+* Fix unredirection of fullscreen windows [Rui, Jonas; #788493]
+* Fix list of supported monitor scales on X11 [Jonas; #788901]
+* Misc. bug fixes [Florian, Jonas, Marco; #788572, #788569, #788607, #788860,
+  #788921]
+
+Contributors:
+  Jonas Ådahl, Carlos Garnacho, Rui Matos, Florian Müllner, Daniel Stone,
+  Marco Trevisan, Jonni Westphalen
+
+Translations:
+  Xavi Ivars [ca@valencia]
+
 3.26.1
 ======
 * Fix crash when respawning shortcut inhibitor dialog [Olivier; #787568]
diff --git a/configure.ac b/configure.ac
index c7b2651..909a864 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 AC_PREREQ(2.62)
 
 m4_define([mutter_major_version], [3])
-m4_define([mutter_minor_version], [26])
+m4_define([mutter_minor_version], [27])
 m4_define([mutter_micro_version], [1])
 
 m4_define([mutter_version],