[iagno] appdata: update license metadata

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 97cd2e95fbfb5f32e535d1428ea4dd54804c7bf2
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun May 11 17:19:25 2014 -0500

    appdata: update license metadata

 data/iagno.appdata.xml.in |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/data/iagno.appdata.xml.in b/data/iagno.appdata.xml.in
index 39b31bd..10d48bd 100644
--- a/data/iagno.appdata.xml.in
+++ b/data/iagno.appdata.xml.in
@@ -2,7 +2,8 @@
 <!-- Copyright 2013 Michael Catanzaro and contributors -->
 <application>
   <id type="desktop">iagno.desktop</id>
-  <licence>CC0</licence>
+  <metadata_licence>CC0-1.0</metadata_licence>
+  <project_license>GPL-2.0+ and CC-BY-SA-3.0</project_license>
   <description>
     <_p>
       Iagno is a computer version of the game Reversi, a two-player strategy