[epiphany] Update appdata

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 86fdf35e7d0d9926e21d8484f290d46141449dc7
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Fri Jan 22 12:44:53 2016 -0600

    Update appdata

 data/epiphany.appdata.xml.in |   22 ++++++++++++++++------
 1 files changed, 16 insertions(+), 6 deletions(-)
---
diff --git a/data/epiphany.appdata.xml.in b/data/epiphany.appdata.xml.in
index 6419f76..ecf04eb 100644
--- a/data/epiphany.appdata.xml.in
+++ b/data/epiphany.appdata.xml.in
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<application>
-  <id type="desktop">epiphany.desktop</id>
-  <licence>CC0</licence>
+<!-- Copyright 2013, 2015 Epiphany contributors -->
+<component type="desktop">
+  <id>epiphany.desktop</id>
+  <metadata_license>CC0-1.0</metadata_license>
   <_name>GNOME Web</_name>
   <_summary>Web browser for GNOME</_summary>
   <description>
@@ -16,10 +17,13 @@
     </_p>
   </description>
   <screenshots>
-    <screenshot type="default">https://git.gnome.org/browse/epiphany/plain/data/screenshot.png</screenshot>
+    <screenshot type="default">
+      <image>https://git.gnome.org/browse/epiphany/plain/data/screenshot.png</image>
+      <_caption>The GNOME web site displayed in GNOME web.</_caption>
+    </screenshot>
   </screenshots>
   <url type="homepage">https://wiki.gnome.org/Apps/Web</url>
-  <updatecontact>mcatanzaro_at_gnome.org</updatecontact>
+  <update_contact>mcatanzaro_at_gnome.org</update_contact>
   <kudos>
     <kudo>AppMenu</kudo>
     <kudo>HiDpiIcon</kudo>
@@ -27,4 +31,10 @@
     <kudo>SearchProvider</kudo>
     <kudo>UserDocs</kudo>
   </kudos>
-</application>
+  <project_group>GNOME</project_group>
+  <project_license>GPL-2.0+</project_license>
+  <_developer_name>The GNOME Project</_developer_name>
+  <url type="bugtracker">https://bugzilla.gnome.org/enter_bug.cgi?product=epiphany</url>
+  <url type="donation">http://www.gnome.org/friends/</url>
+  <url type="help">https://help.gnome.org/users/epiphany/stable/</url>
+</component>