Git commits in Moodle 2.1.x by Mayank Gupta

commit cdc502c5310fbda20f9ba9ce10d2f5b0659aaf88
Author: Mayank Gupta <mayankgupta2005@gmail.com>
Date:   Sat, 09 Apr 2011 02:10:36 +0800
Tag:    v2.1.3

MDL-27037, wiki does not support visiblegroups functionality