[pygobject] Release 3.18.0

[Garrett Regier <gregier src gnome org>]

commit ea5ecca4916569b1eca6296ff1a8905e42c3c38a
Author: Garrett Regier <garrettregier gmail com>
Date:   Tue Sep 22 00:10:35 2015 -0700

    Release 3.18.0

 NEWS         |    2 ++
 configure.ac |    4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index 7a863a8..1d39fbe 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,5 @@
+3.18.0  22-Sep-2015
+
 3.17.90 19-Aug-2015
         - Allow passing unicode lists to GStrv properties on Python 2
           (Christoph Reiter) (#744745)
diff --git a/configure.ac b/configure.ac
index c2cd1be..2c0cfbd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,8 +17,8 @@ m4_define(python3_min_ver, 3.1)
 
 dnl the pygobject version number
 m4_define(pygobject_major_version, 3)
-m4_define(pygobject_minor_version, 17)
-m4_define(pygobject_micro_version, 91)
+m4_define(pygobject_minor_version, 18)
+m4_define(pygobject_micro_version, 0)
 m4_define(pygobject_version, pygobject_major_version.pygobject_minor_version.pygobject_micro_version)
 
 dnl versions of packages we require ...