Prepare 0.159 release.

Signed-off-by: Mark Wielaard <mjw@redhat.com>
diff --git a/po/ChangeLog b/po/ChangeLog
index 120507b..62d28d9 100644
--- a/po/ChangeLog
+++ b/po/ChangeLog
@@ -1,3 +1,7 @@
+2014-05-17  Mark Wielaard  <mjw@redhat.com>
+
+	* *.po: Update for 0.159.
+
 2014-01-03  Mark Wielaard  <mjw@redhat.com>
 
 	* *.po: Update for 0.158.