[metacity] bump version to 3.30.0, update NEWS

[Alberts Muktupāvels <muktupavels src gnome org>]

commit cec3f3830518cd4a81c2f88ca1d5355e98caa070
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Sep 2 19:07:21 2018 +0300

    bump version to 3.30.0, update NEWS

 NEWS         | 7 +++++++
 configure.ac | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index 62770380..0f74d385 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,10 @@
+Version 3.30.0
+==============
+- Fix build warnings
+- Remove Solaris Xinerama support
+- Updated translations:
+  Dingzhong Chen (zh_CN).
+
 Version 3.28.0
 ==============
 - Fix build warnings
diff --git a/configure.ac b/configure.ac
index 6c45dddb..6d76b1bd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ dnl Define version info
 dnl **************************************************************************
 
 m4_define([m_major_version], [3])
-m4_define([m_minor_version], [28])
+m4_define([m_minor_version], [30])
 m4_define([m_micro_version], [0])
 m4_define([m_version], [m_major_version.m_minor_version.m_micro_version])