Git commits in Moodle 1.9.13 by Marina Glancy

commit 682e430ce090058889f219607711e09c634e9e90
Author: Marina Glancy <marina@moodle.com>
Date:   Fri, 08 Jul 2011 10:10:41 +0800
Tag:    v1.9.13

MDL-28197 another possible sql vulnerability injection fixed

commit ffd3e38977685ae119bd00d05383c81a01ad0c48
Author: Marina Glancy <marina@moodle.com>
Date:   Thu, 07 Jul 2011 15:23:29 +0800
Tag:    v1.9.13

MDL-28197 adding slashes to group name when creating group in user upload