[atk] Release 2.15.3

[Alejandro Piñeiro Iglesias <apinheiro src gnome org>]

commit 6effe5f6005bcb24e9fe93ce1cea202fbe9a7df6
Author: Alejandro Piñeiro <apinheiro igalia com>
Date:   Mon Dec 15 16:19:11 2014 +0100

    Release 2.15.3

 NEWS         |   15 +++++++++++++++
 configure.ac |    2 +-
 2 files changed, 16 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 29c66d4..34194de 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,18 @@
+Changes in version 2.15.3:
+==========================
+*
+* AtkState:
+   * Bug 665598: Add ATK_STATE_READ_ONLY
+* Bugfixing:
+   * Unref STATE_TYPE class ref after using it at state_type_get_name
+   * AtkTable: Added missing ":" on one gi annotation
+
+Contributors:
+Joanmarie Diggs, Alejandro Piñeiro Iglesias
+
+Translations:
+Muhammet Kara (tr)
+
 Changes in version 2.15.2:
 ==========================
 *
diff --git a/configure.ac b/configure.ac
index 967861d..23b5b1a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,7 +17,7 @@ dnl set ATK_BINARY_AGE _and_ ATK_INTERFACE_AGE to 0.
 dnl The triplet 
 m4_define([atk_major_version], [2])
 m4_define([atk_minor_version], [15])
-m4_define([atk_micro_version], [2])
+m4_define([atk_micro_version], [3])
 m4_define([atk_version],
           [atk_major_version.atk_minor_version.atk_micro_version])