[gnome-flashback] bump version to 3.15.2, update NEWS

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 57ede6fb5d24844b188ff887629011477659f402
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sat Nov 29 18:33:55 2014 +0200

    bump version to 3.15.2, update NEWS

 NEWS         |    8 ++++++++
 configure.ac |    2 +-
 2 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 39cdde8..f92b643 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+Version 3.15.2
+==============
+- Added key grabber. (Alberts Muktupāvels)
+- Added --disable-acceleration-check to Metacity session. This adds dependency
+  on unreleased gnome-session version. (Alberts Muktupāvels)
+- Updated translations:
+  Marek Černocký (cs), Piotr Drąg (pl), Yosef Or Boczko (he).
+
 Version 3.14.0
 ==============
 - Added automount manager. This is same program that used to be part of GNOME
diff --git a/configure.ac b/configure.ac
index b3cce26..7170b3b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 m4_define([gnome_flashback_major_version], [3])
 m4_define([gnome_flashback_minor_version], [15])
-m4_define([gnome_flashback_micro_version], [0])
+m4_define([gnome_flashback_micro_version], [2])
 
 AC_INIT([gnome-flashback], 
[gnome_flashback_major_version.gnome_flashback_minor_version.gnome_flashback_micro_version],
         [http://bugzilla.gnome.org/enter_bug.cgi?product=gnome-flashback])