[gnome-shell] Bump version to 3.29.4

[Florian Müllner <fmuellner src gnome org>]

commit 0221099e7e055df20fd80b308c916545e095cc4f
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Jul 18 17:46:36 2018 +0200

    Bump version to 3.29.4
    
    Update NEWS.

 NEWS        | 16 ++++++++++++++++
 meson.build |  4 ++--
 2 files changed, 18 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index f0e35d06d..09ed3db15 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,19 @@
+3.29.4
+======
+* Fix "Clear All" for calendar events [Florian; #325]
+* Allow cancelling direct switch operations [Xavier; #315]
+* Support being started by systemd --user [Iain; !137, !138]
+* Support key event forwarding required by some input methods [Carlos; #275]
+* Misc. bug fixes and cleanups [Jasper, Andrea, Florian; #663461, #372, !112,
+  #414, !151]
+
+Contributors:
+  Andrea Azzarone, Carlos Garnacho, Xavier Johnson, Iain Lane, Florian Müllner,
+  Jasper St. Pierre
+
+Translators:
+  Stas Solovey [ru]
+
 3.29.3
 ======
 * Save creation time in screenshot metadata [Florian; #790481]
diff --git a/meson.build b/meson.build
index edc597553..7e5fe3832 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gnome-shell', 'c',
-  version: '3.29.3',
+  version: '3.29.4',
   meson_version: '>= 0.42.0',
   license: 'GPLv2+'
 )
@@ -23,7 +23,7 @@ gi_req = '>= 1.49.1'
 gjs_req = '>= 1.47.0'
 gtk_req = '>= 3.15.0'
 json_glib_req = '>= 0.13.2'
-mutter_req = '>= 3.29.2'
+mutter_req = '>= 3.29.4'
 polkit_req = '>= 0.100'
 schemas_req = '>= 3.21.3'
 startup_req = '>= 0.11'