Git commits in Moodle 3.7.2 by Huong Nguyen

commit 79ec71c87b5c29ef8a0758e2ba9ee121fec10cbc
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Wed, 26 Jun 2019 15:57:02 +0800
Tag:    v3.7.2

MDL-64258 Group: Performance problem on the enrol group members page


commit 79a6ef4c9b8736921d303e1765d2fe3cd351b8fb
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Wed, 26 Jun 2019 15:19:51 +0800
Tag:    v3.7.2

MDL-64258 Group: Unit Test for find_users function