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

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 2a4de4a094e5c890a2aff4ded724823229a600d1
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Sep 9 18:44:28 2018 +0300

    bump version to 3.30.0, update NEWS

 NEWS         | 12 ++++++++++++
 configure.ac |  2 +-
 2 files changed, 13 insertions(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index 26118db..447e400 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,15 @@
+Version 3.30.0
+==============
+- Fix build warnings.
+- Remove button-layout workaround (replaced with GSettings override file).
+- Reintroduce a11y-keyboard plugin. (#6)
+- Implement per window input sources. (#5)
+- Apply input settings to trackpoint. (#4)
+- Assign input source groups in correct order. (#790453)
+- Updated translations:
+  Anders Jonsson (sv), Mario Blättermann (de), Rafael Fontenelle (pt_BR),
+  Piotr Drąg (pl).
+
 Version 3.28.0
 ==============
 - Use symbolic window close icon. (#794234)
diff --git a/configure.ac b/configure.ac
index 510308c..9a5adff 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ dnl Define version info
 dnl **************************************************************************
 
 m4_define([gf_major_version], [3])
-m4_define([gf_minor_version], [28])
+m4_define([gf_minor_version], [30])
 m4_define([gf_micro_version], [0])
 m4_define([gf_version], [gf_major_version.gf_minor_version.gf_micro_version])