[gnome-chess] Update appdata

[Sahil Sareen <ssareen src gnome org>]

commit cbf209db045705a75b1ad32367b3f9bef3ba6bf0
Author: Sahil Sareen <sahil sareen hotmail com>
Date:   Sat Aug 13 20:21:28 2016 +0100

    Update appdata

 data/gnome-chess.appdata.xml.in |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/data/gnome-chess.appdata.xml.in b/data/gnome-chess.appdata.xml.in
index db9822d..456fa9c 100644
--- a/data/gnome-chess.appdata.xml.in
+++ b/data/gnome-chess.appdata.xml.in
@@ -3,7 +3,7 @@
 <component type="desktop">
   <id>gnome-chess.desktop</id>
   <metadata_license>CC0-1.0</metadata_license>
-  <project_license>GPL-3.0+ and (GPL-2.0+ or GFDL-1.1)</project_license>
+  <project_license>GPL-3.0+</project_license>
   <name>GNOME Chess</name>
   <summary>Play the classic two-player board game of chess</summary>
   <description>
@@ -18,7 +18,7 @@
     </p>
   </description>
   <screenshots>
-    <screenshot type="default" width="748" height="484">
+    <screenshot height="484" width="748" type="default">
       <image>https://people.gnome.org/~mcatanzaro/gnome-chess.png</image>
     </screenshot>
   </screenshots>
@@ -26,6 +26,7 @@
   <url type="bugtracker">https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-chess</url>
   <url type="donation">http://www.gnome.org/friends/</url>
   <url type="help">https://help.gnome.org/users/gnome-chess/stable/</url>
+  <url type="translate">https://wiki.gnome.org/TranslationProject</url>
   <update_contact>mcatanzaro_at_gnome.org</update_contact>
   <project_group>GNOME</project_group>
   <kudos>
@@ -35,4 +36,5 @@
     <kudo>UserDocs</kudo>
   </kudos>
   <translation type="gettext">gnome-chess</translation>
+  <developer_name>The GNOME Project</developer_name>
 </component>