Git commits in Moodle 2.3.8 by Sam Hemelryk

commit fb17d60fdeddebcd4f6a79d0a618c7ffe967d274
Author: Sam Hemelryk <sam@moodle.com>
Date:   Thu, 27 Jun 2013 06:05:35 +0800
Tag:    v2.3.8

MDL-40344 navigation: expandable branch id is now properly unique

commit 6005edc60fb7e3aa452c449e0101f63fdac23918
Author: Sam Hemelryk <sam@moodle.com>
Date:   Mon, 24 Jun 2013 07:28:23 +0800
Tag:    v2.3.8

MDL-38347 fixed whitespace

commit 5838cbd4ff0b592c522947c6c5eeb7863d9a7372
Author: Sam Hemelryk <sam@moodle.com>
Date:   Wed, 12 Jun 2013 12:23:13 +0800
Tag:    v2.3.8

MDL-40142 navigation: fixed chainable issue with navigation JS