[gnome-power-manager] Release version 3.18.0

[Richard Hughes <rhughes src gnome org>]

commit 7c38f650371f39cc3ee664fa41da77f19652c0ac
Author: Richard Hughes <richard hughsie com>
Date:   Mon Sep 21 10:47:53 2015 +0100

    Release version 3.18.0

 RELEASE                                            |    4 ++--
 data/appdata/gnome-power-statistics.appdata.xml.in |    5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/RELEASE b/RELEASE
index 22fa63b..89407f9 100644
--- a/RELEASE
+++ b/RELEASE
@@ -5,8 +5,8 @@ Add any user visible changes into data/appdata/gnome-power-statistics.appdata.xm
 
 Run "make distcheck", correct any problems encountered
 
-git commit -a -m "GNOME Power Manager 3.17.91"
-git tag -s GNOME_POWER_MANAGER_3_17_91 -m "==== Version 3.17.91 ===="
+git commit -a -m "GNOME Power Manager 3.18.0"
+git tag -s GNOME_POWER_MANAGER_3_18_0 -m "==== Version 3.18.0 ===="
 <wait>
 git push --tags
 git push
diff --git a/data/appdata/gnome-power-statistics.appdata.xml.in 
b/data/appdata/gnome-power-statistics.appdata.xml.in
index 4fd77e2..5764e09 100644
--- a/data/appdata/gnome-power-statistics.appdata.xml.in
+++ b/data/appdata/gnome-power-statistics.appdata.xml.in
@@ -25,6 +25,11 @@
    Use `date -d "2010-10-02" "+%s"` to get the timestamp.
   -->
   <releases>
+    <release version="3.18.0" timestamp="1442827658">
+      <description>
+        <p>This is the first stable release for GNOME 3.18</p>
+      </description>
+    </release>
     <release version="3.17.90" timestamp="1439988801">
       <description>
         <p>