[gnome-applets] bump version to 3.28.0, update NEWS

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 207cf8e7995507155734f759be4508358c2a59b5
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Tue Mar 13 00:33:07 2018 +0200

    bump version to 3.28.0, update NEWS

 NEWS         |   12 ++++++++++++
 configure.ac |    2 +-
 2 files changed, 13 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 7febb31..3eb596a 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,15 @@
+Version 3.28.0
+==============
+- Removed Invest applet
+- Fix cpufreq applet build with -lcpupower and kernel 4.7+ (#789037)
+- Fix frequency label width in cpufreq applet
+- Fix missing forecast data in gweather applet
+- Updated translations:
+  Ask Hjorth Larsen (da), Balázs Meskó (hu), Balázs Úr (hu),
+  Daniel Mustieles (es), Isaac F. Ferreira Filho (pt_BR), Joe Hansen (da),
+  Kristjan SCHMIDT (eo), Kukuh Syafaat (id), Мирослав Николић (sr, sr@latin),
+  Piotr Drąg (pl).
+
 Version 3.26.0
 ==============
 - Make sure that sticky notes are really saved (#784660)
diff --git a/configure.ac b/configure.ac
index 312baf7..387fa1a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ dnl Define version info
 dnl **************************************************************************
 
 m4_define([ga_major_version], [3])
-m4_define([ga_minor_version], [26])
+m4_define([ga_minor_version], [28])
 m4_define([ga_micro_version], [0])
 m4_define([ga_version], [ga_major_version.ga_minor_version.ga_micro_version])