Git commits in Moodle 2.4.5 by Gilles-Philippe Leblanc

commit e60224a32a75005f480f73581094d1013d373b56
Author: Gilles-Philippe Leblanc <gilles-philippe.leblanc@umontreal.ca>
Date:   Thu, 09 May 2013 23:42:10 +0800
Tag:    v2.4.5

MDL-38239 gradebook: Importing grades from a .txt file with commas for decimals causes an error