[gnome-backgrounds] prepare 3.28.0

[Jakub Steiner <jimmac src gnome org>]

commit 5b83ade070d57f6945d5a901a04660bd5627f2b0
Author: Jakub Steiner <jimmac gmail com>
Date:   Wed Mar 14 01:24:16 2018 +0100

    prepare 3.28.0

 NEWS        |    4 ++++
 meson.build |    2 +-
 2 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 860326a..196d7e1 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+==============
+Version 3.28.0
+==============
+
 ===============
 Version 3.27.90
 ===============
diff --git a/meson.build b/meson.build
index e0ce030..7cec93a 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gnome-backgrounds',
-  version: '3.27.90',
+  version: '3.28.0',
   meson_version: '>= 0.41.0'
 )