Merge branch 'patch-2' into 'master'

appdata: Improve the appdata file per the specs

See merge request World/podcasts!90

podcasts-gtk/resources/org.gnome.Podcasts.appdata.xml.in.in

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<component type="desktop">
+<component type="desktop-application">
   <id>@appid@</id>
   <name>Podcasts</name>
   <project_license>GPL-3.0</project_license>
@@ -63,7 +63,16 @@
       </description>
     </release>
   </releases>
+  <kudos>
+    <kudo>ModernToolkit</kudo>
+    <kudo>HiDpiIcon</kudo>
+  </kudos>
+  <launchable type="desktop-id">@appid@.desktop</launchable>
   <url type="homepage">https://wiki.gnome.org/Apps/Podcasts</url>
+  <url type="bugtracker">https://gitlab.gnome.org/World/podcasts/issues/</url>
+  <url type="donation">http://www.gnome.org/friends/</url>
+  <translation type="gettext">gnome-podcasts</translation>
+  <project_group>GNOME</project_group>
   <update_contact>jpetridis@gnome.org</update_contact>
   <developer_name>Jordan Petridis</developer_name>
 </component>