[empathy] Modernize metainfo file

[Matthias Klumpp <mak src gnome org>]

commit 486c663530311cb1bc56f7cc75eab1327d95f6bb
Author: Matthias Klumpp <matthias tenstral net>
Date:   Thu Aug 3 20:43:05 2017 -0400

    Modernize metainfo file

 data/empathy.appdata.xml.in |   34 ++++++++++++++++++++++++++--------
 1 files changed, 26 insertions(+), 8 deletions(-)
---
diff --git a/data/empathy.appdata.xml.in b/data/empathy.appdata.xml.in
index b6447f2..156f652 100644
--- a/data/empathy.appdata.xml.in
+++ b/data/empathy.appdata.xml.in
@@ -1,20 +1,38 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<application>
-  <id type="desktop">empathy.desktop</id>
-  <licence>CC0</licence>
+<component type="desktop-application">
+  <id>org.gnome.empathy</id>
+  <metadata_license>CC0</metadata_license>
+
+  <_name>Empathy</_name>
+  <_summary>Chat on Google Talk, Facebook, MSN and many other chat services</_summary>
   <description>
     <_p>
-      Empathy is the official instant messaging application of the GNOME desktop environment.  Empathy can 
connect to AIM, MSN, Jabber (including Facebook and Google Talk), IRC, and many other messaging networks. You 
can chat with text, make audio and video calls, or even transfer files, depending on what your contact’s chat 
application allows.
+      Empathy is the official instant messaging application of the GNOME desktop environment.
+      Empathy can connect to AIM, MSN, Jabber (including Facebook and Google Talk), IRC, and many other 
messaging networks.
     </_p>
     <_p>
-      Empathy provides integrated messaging for the GNOME desktop, so you’ll never miss a message.  You can 
respond to your contacts without even having to open Empathy!
+      You can chat with text, make audio and video calls, or even transfer files, depending on what your 
contact’s chat application allows.
+    </_p>
+    <_p>
+      Empathy provides integrated messaging for the GNOME desktop, so you’ll never miss a message.
+      You can respond to your contacts without even having to open Empathy!
     </_p>
   </description>
+
+  <launchable type="desktop-id">empathy.desktop</launchable>
+
   <url type="homepage">https://wiki.gnome.org/Empathy</url>
   <screenshots>
-    <screenshot 
type="default">https://wiki.gnome.org/Empathy?action=AttachFile&amp;do=get&amp;target=empathy.png</screenshot>
+    <screenshot type="default">
+      <image>https://wiki.gnome.org/Empathy?action=AttachFile&amp;do=get&amp;target=empathy.png</image>
+    </screenshot>
   </screenshots>
-  <updatecontact>telepathy lists freedesktop org</updatecontact>
+
+  <update_contact>telepathy lists freedesktop org</update_contact>
   <project_group>GNOME</project_group>
   <translation type="gettext">empathy</translation>
-</application>
+
+  <provides>
+    <id>empathy.desktop</id>
+  </provides>
+</component>