[gcompris] core: added the key shortcuts in the manual.

[Bruno Coudoin <bcoudoin src gnome org>]

commit d9046b1a8112ce8c8580330f5dd484c77d3e7ca9
Author: Bruno Coudoin <bruno coudoin free fr>
Date:   Mon Aug 15 19:53:35 2011 +0200

    core: added the key shortcuts in the manual.

 boards/menu.xml.in |   12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)
---
diff --git a/boards/menu.xml.in b/boards/menu.xml.in
index 098e5df..50b6bea 100644
--- a/boards/menu.xml.in
+++ b/boards/menu.xml.in
@@ -14,16 +14,20 @@
 At the bottom of the screen is the GCompris control bar.
 The following icons are displayed from right to left.
 (note that each icon is displayed only if available in the current activity)
-    Home - Exit an activity, go back to menu
+    Home - Exit an activity, go back to menu (ctrl-w and escape key)
     Thumb - OK. Confirm your answer
-    Dice - Display the current level. Click to select another level
+    Arrows - Display the current level. Click to select another level
     Lips - Repeat the question
     Question Mark - Help
     Tool - The configuration menu
     Tux Plane - About GCompris
-    Night - Quit GCompris
+    Quit - Quit GCompris (ctrl-x)
 The stars show suitable age groups for each game:
     1, 2 or 3 simple stars  - from 2 to 6 years old
-    1, 2 or 3 complex stars - 7 years and up</_manual>
+    1, 2 or 3 complex stars - 7 years and up
+Shortcuts:
+    ctrl-b Show or Hide the control bar
+    ctrl-f Toggle full screen
+    ctrl-m Toggle mute for the background music</_manual>
   </Board>
 </GCompris>