Update main copyright statement for 2011

Change-Id: I915957c0e95321b599ebdb3491403175822d26f0
Signed-off-by: Francois Marier <francois@catalyst.net.nz>

README

@@ -29,8 +29,8 @@ here:
 Copyright notice
 ----------------
 
-Copyright (C) 2006, 2007, 2008, 2009, 2010 Catalyst IT Ltd and others;
-see: http://wiki.mahara.org/Contributors
+Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Catalyst IT Ltd and others
+(see: https://wiki.mahara.org/index.php/Contributors)
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by