[gimp] desktop: added release information to the AppStream file...

[Jehan Pagès <jehanp src gnome org>]

commit 6d26f78cd6919294918f5ef5055f50e806d64193
Author: Nathaniel Graham <pointedstick zoho com>
Date:   Thu Feb 1 03:28:58 2018 +0100

    desktop: added release information to the AppStream file...
    
    ... pre-populated with release notes from version 2.9.8.

 desktop/org.gimp.GIMP.appdata.xml.in.in |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)
---
diff --git a/desktop/org.gimp.GIMP.appdata.xml.in.in b/desktop/org.gimp.GIMP.appdata.xml.in.in
index 26097a2..ef5371e 100644
--- a/desktop/org.gimp.GIMP.appdata.xml.in.in
+++ b/desktop/org.gimp.GIMP.appdata.xml.in.in
@@ -116,6 +116,22 @@
       </description>
     </release>
     -->
+    <release version="2.9.8" date="2017-12-12">
+      <description>
+        <ul>
+          <li>On-canvas gradient editing</li>
+          <li>Notification when an image is over/underexposed</li>
+          <li>Better and faster color management</li>
+          <li>Support for color picker and screenshots in Wayland on KDE Plasma</li>
+          <li>Paste in place feature</li>
+          <li>Many usability improvements</li>
+          <li>Manual can be displayed in the user's preferred language</li>
+          <li>Improvements for the Wavelet Decompose filter</li>
+          <li>Improved compatibility with Photoshop .psd files</li>
+        </ul>
+        <p>For more information, see https://www.gimp.org/news/2017/12/12/gimp-2-9-8-released/</p>
+      </description>
+    </release>
     <release version="2.8.22" date="2017-05-11"/>
     <release version="2.8.20" date="2017-02-01"/>
     <release version="2.8.18" date="2016-07-14"/>