[shotwell] Post-branch version bump

[Jens Georg <jensgeorg src gnome org>]

commit a164ff4579a0263410477dbd9746eb5075ec0fa9
Author: Jens Georg <mail jensge org>
Date:   Mon Sep 10 21:50:25 2018 +0200

    Post-branch version bump

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index c466a34a..ad09d572 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('shotwell', ['vala', 'c'],
-        version : '0.29.92',
+        version : '0.31.0',
         meson_version : '>= 0.43.0',
         default_options : ['buildtype=debugoptimized'])