Git commits in Moodle 3.1.x by Alexandru Elisei

commit e8d84901ca36c9448d6a428783036e7b3ba2c5d9
Author: Alexandru Elisei <alexandru.elisei@gmail.com>
Date:   Sun, 14 Aug 2016 20:03:23 +0800
Tag:    v3.1.2

MDL-55423 accesslib: Prevent get_role_users() false debugging messages


commit b6d12864141b0280f4dd4f54ffa31e7892bd90e2
Author: Alexandru Elisei <alexandru.elisei@gmail.com>
Date:   Fri, 04 Mar 2016 21:43:36 +0800
Tag:    v3.1.0-beta

MDL-52574 accesslib: Prevent get_role_users() fail in certain cases