Git commits in Moodle 2.8.0 by Andrew Schmadel

commit a73b1ba23fe780f9cbf8772d135daa889731bcfc
Author: Andrew Schmadel <aschmadel@learningobjects.com>
Date:   Sat, 23 Aug 2014 07:09:18 +0800
Tag:    v2.8.0-beta

MDL-46844 Embed LTI External Tools with an IFrame