Git commits in Moodle 2.3.3 by sam marshall

commit d6d63941d7e5f2ebcf9e8714a692884d52badac3
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Thu, 30 Aug 2012 19:13:56 +0800
Tag:    v2.3.3

MDL-35141 Filelib: No icon for epub filetype

commit 5c3cb55b5dd144d5df093c7f9ef7cce79930cdc4
Author: sam marshall <s.marshall@open.ac.uk>
Date:   Wed, 29 Aug 2012 23:31:55 +0800
Tag:    v2.3.3

MDL-34228 Completion: Add capability that controls if a user is shown in reports