Git commits in Moodle 2.6.6 by John Okely

commit 57c1fc6915bc906f5de8c5c024f5bf50d4652ec5
Author: John Okely <john@moodle.com>
Date:   Thu, 06 Nov 2014 15:56:42 +0800
Tag:    v2.6.6

MDL-47930 mod_forum: Detect subscription to subscription disabled forums

commit e2a8ac6b1103167d6786cb1801703c2c0f8467ca
Author: John Okely <john@moodle.com>
Date:   Fri, 31 Oct 2014 13:36:52 +0800
Tag:    v2.6.6

MDL-47949 mod_wiki: Validate parameters for page deletion

commit fe8430e0dc2a50ea8e03d709e95d1226631d0d52
Author: John Okely <john@moodle.com>
Date:   Wed, 29 Oct 2014 10:50:25 +0800
Tag:    v2.6.6

MDL-47921 mod_lti: Add access control to mod/lti/launch.php