Git commits in Moodle 2.6.2 by Andrew Davis

commit 4d4867503c2467cb04660d9cb314d22f56004054
Author: Andrew Davis <andrew@moodle.com>
Date:   Mon, 03 Mar 2014 12:15:54 +0800
Tag:    v2.6.2

MDL-44082 mod_chat: added a security check for users already in the chat activity

commit 9fade08632b95d57e5ac030e946a0feda56cbd97
Author: Andrew Davis <andrew@moodle.com>
Date:   Fri, 17 Jan 2014 07:32:12 +0800
Tag:    v2.6.2

MDL-43671 message: removed an overly cautious check

commit b4de89cc950bfdc0f858f9373470f1c573bf7a26
Author: Andrew Davis <andrew@moodle.com>
Date:   Fri, 27 Dec 2013 10:24:19 +0800
Tag:    v2.6.2

MDL-43178 mod_forum: fixed the digest setting confirmation message