Git commits in Moodle 2.4.x by Anton Fletcher

commit 5f22097114549ca7784e443f9903a28e8cfa096e
Author: Anton Fletcher <salmonmoose@gmail.com>
Date:   Fri, 04 Oct 2013 14:16:40 +0800
Tag:    v2.4.7

MDL-35146 mod_wiki: fixed issue where pages for deleted groups caused an error on restore