[iagno] appdata: add copyright line

[Michael Catanzaro <mcatanzaro src gnome org>]

commit c9e5d8d59e655d91b7c8fdc3453b2459949ee901
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Oct 5 10:24:18 2013 -0500

    appdata: add copyright line

 data/iagno.appdata.xml.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/iagno.appdata.xml.in b/data/iagno.appdata.xml.in
index 1fb19bb..3219db6 100644
--- a/data/iagno.appdata.xml.in
+++ b/data/iagno.appdata.xml.in
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright 2013 Michael Catanzaro and contributors -->
 <application>
   <id type="desktop">iagno.desktop</id>
   <licence>CC0</licence>