Git commits in Moodle 2.9.4 by Jun Pataleta

commit 5eb6f7500a867047fecea90fd47610bbcedc3d4b
Author: Jun Pataleta <jun@moodle.com>
Date:   Wed, 18 Nov 2015 11:52:07 +0800
Tag:    v2.9.4

MDL-37308 files: Additional fixes for transparency

commit 0084e7efd7f8cb073f9fe69bff97fb220187b543
Author: Jun Pataleta <jun@moodle.com>
Date:   Thu, 12 Nov 2015 17:43:26 +0800
Tag:    v2.9.4

MDL-47065 behat: improve verificaton of lack of note

commit b63ab17d5218c95ed2a677b1b6a8be9a833c275a
Author: Jun Pataleta <jun@moodle.com>
Date:   Tue, 20 Oct 2015 05:50:01 +0800
Tag:    v2.9.4

MDL-51837 user: Check if user email is set on validation