[gnome-screenshot] release: prepare for 3.30.0

[Cosimo Cecchi <cosimoc src gnome org>]

commit 2a1a9834e21f83526dfb6a07e7cd948a4f29f5c6
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Sep 3 15:47:42 2018 -0700

    release: prepare for 3.30.0

 NEWS        | 8 ++++++++
 meson.build | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index 3726ea5..e2ffeb9 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+GNOME Screenshot 3.30.0 - 3rd September 2018
+===========================================
+
+- Minor build system improvements [Emmanuele Bassi,
+  Jasper Lievisse Adriaanse, Piotr Drąg]
+- Fix grammar mistake in man page [Matthew Leeds]
+- Translation updates
+
 GNOME Screenshot 3.26.0 - 30th October 2017
 ===========================================
 
diff --git a/meson.build b/meson.build
index 2a69cab..b42c345 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gnome-screenshot', 'c',
-        version: '3.26.1',
+        version: '3.30.0',
         license: 'GPLv2+',
         meson_version: '>= 0.40.1',
         default_options: [