[quadrapassel] appdata: update license metadata

[Michael Catanzaro <mcatanzaro src gnome org>]

commit b7432912a070c50d52ec1aa6b6ad8a923c3b9534
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sun May 11 18:25:05 2014 -0500

    appdata: update license metadata

 data/quadrapassel.appdata.xml.in |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/data/quadrapassel.appdata.xml.in b/data/quadrapassel.appdata.xml.in
index a385657..9c354ba 100644
--- a/data/quadrapassel.appdata.xml.in
+++ b/data/quadrapassel.appdata.xml.in
@@ -2,7 +2,8 @@
 <!-- Copyright 2013 Michael Catanzaro -->
 <application>
  <id type="desktop">quadrapassel.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>
    Quadrapassel is a derivative of a classic Russian falling-block game.