[gnome-panel] bump version to 3.30.0, update NEWS

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 4666190575da9a6fce8b7aaeedbeb6b91c5bf2eb
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Sep 9 19:02:13 2018 +0300

    bump version to 3.30.0, update NEWS

 NEWS         | 10 ++++++++++
 configure.ac |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index 0bf4fb423..a24a71bfe 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,13 @@
+Version 3.30.0
+==============
+- Turn old main menu object into applet
+- Fix some build warnings
+- Updated translations:
+  Anders Jonsson (sv), Balázs Meskó (hu), Bruno Lopes da Silva (pt_BR),
+  Daniel Mustieles (es), Kukuh Syafaat (id), Marek Cernocky (cs),
+  Mario Blättermann (de), Matej Urbančič (sl), Piotr Drąg (pl),
+  Rafael Fontenelle (pt_BR).
+
 Version 3.28.0
 ==============
 - Turn old menu bar object into applet
diff --git a/configure.ac b/configure.ac
index 3e615d2de..e9f3adfc5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ dnl Define version info
 dnl **************************************************************************
 
 m4_define([gp_major_version], [3])
-m4_define([gp_minor_version], [28])
+m4_define([gp_minor_version], [30])
 m4_define([gp_micro_version], [0])
 m4_define([gp_version], [gp_major_version.gp_minor_version.gp_micro_version])