Git commits in Moodle 2.8.8 by Ryan Wyllie

commit 0b9cf149806a4659b92c4c9f83e22c74f2c93ccd
Author: Ryan Wyllie <ryan@moodle.com>
Date:   Thu, 03 Sep 2015 09:41:19 +0800
Tag:    v2.8.8

MDL-49536 theme_clean: update help text for logo

commit d74ec947220a5647213b3200aeba0135188329c6
Author: Ryan Wyllie <ryan@moodle.com>
Date:   Fri, 28 Aug 2015 10:10:34 +0800
Tag:    v2.8.8

MDL-49536 theme_clean: logo only on front and login

commit c0450b9ab9a494c9f47059075631a35d145b2164
Author: Ryan Wyllie <ryan@moodle.com>
Date:   Wed, 22 Jul 2015 15:55:08 +0800
Tag:    v2.8.8

MDL-46860 filepicker: change responsive styling

commit 3ec071a091e0450aaf599425c38863fc81f990d5
Author: Ryan Wyllie <ryan@moodle.com>
Date:   Wed, 22 Jul 2015 15:49:22 +0800
Tag:    v2.8.8

MDL-46860 filepicker: iframe context aware

commit 713927f91509c28aa8f8d2a8b5290fe4d4c6637e
Author: Ryan Wyllie <ryan@moodle.com>
Date:   Mon, 20 Jul 2015 12:33:31 +0800
Tag:    v2.8.8

MDL-50624 environment: add PHP7 as unsupported version