[gnome-mines] Added summary in appstream xml

[Robert Roth <robertroth src gnome org>]

commit eae6b58122c40b28a6376e71dc8917088c488ae4
Author: Robert Roth <robert roth off gmail com>
Date:   Mon Dec 15 21:29:58 2014 +0200

    Added summary in appstream xml

 data/gnome-mines.appdata.xml.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/gnome-mines.appdata.xml.in b/data/gnome-mines.appdata.xml.in
index 62514c8..9ea0729 100644
--- a/data/gnome-mines.appdata.xml.in
+++ b/data/gnome-mines.appdata.xml.in
@@ -5,6 +5,7 @@
  <metadata_license>CC0-1.0</metadata_license>
  <project_license>GPL-2.0+ and CC-BY-SA-3.0</project_license>
  <_name>GNOME Mines</_name>
+ <_summary>Clear hidden mines from a minefield</_summary>
  <description>
   <_p>
    GNOME Mines is a puzzle game where you search for hidden mines. Flag the