Git commits in Moodle 2.9.5 by Kevin Bruton

commit 193982441d65bd4b49fe728f59114fcbc6cb5bff
Author: Kevin Bruton <kevin.jose.bs@gmail.com>
Date:   Sun, 10 Jan 2016 07:12:58 +0800
Tag:    v2.9.5

MDL-52568 core_cohort: added ability to return all cohorts in WS