[gnome-software] Release version 3.17.91

[Kalev Lember <klember src gnome org>]

commit 8d230339860c905e327c4e9ae65a7964819f62df
Author: Kalev Lember <klember redhat com>
Date:   Thu Sep 3 20:08:04 2015 +0200

    Release version 3.17.91

 data/appdata/org.gnome.Software.appdata.xml.in |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/data/appdata/org.gnome.Software.appdata.xml.in b/data/appdata/org.gnome.Software.appdata.xml.in
index b0f7e16..7f30fea 100644
--- a/data/appdata/org.gnome.Software.appdata.xml.in
+++ b/data/appdata/org.gnome.Software.appdata.xml.in
@@ -30,6 +30,19 @@
    Validate with `appstream-util validate *.appdata.xml`
   -->
   <releases>
+    <release version="3.17.91" timestamp="1441303652">
+      <description>
+        <p>This is an unstable release in the 3.17 development series, with the following improvements:</p>
+        <ul>
+          <li>Better theming for the category sidebar</li>
+          <li>Use standard size icon in the about dialog</li>
+          <li>Support mouse back button for going back in dialogs</li>
+          <li>Fix incorrect alignment on the front page in RTL languages</li>
+          <li>Misc other minor bugs fixed</li>
+        </ul>
+        <p>This release also updates translations.</p>
+      </description>
+    </release>
     <release version="3.17.90" timestamp="1439990842">
       <description>
         <p>This is an unstable release with the following bugs fixed:</p>